Michael Kerrisk
6cee0ddeb4
proc.5: Document /proc/sys/vm/sysctl_hugetlb_shm_group
...
As a deprecated feature, it appears that the RLIMIT_MEMLOCK
can also be used to permit huge page allocation, but let's
not document that for now.
In the Linux 5.12, see fs/hugetlbfs/inode.c.
static int can_do_hugetlb_shm(void)
{
kgid_t shm_group;
shm_group = make_kgid(&init_user_ns, sysctl_hugetlb_shm_group);
return capable(CAP_IPC_LOCK) || in_group_p(shm_group);
}
...
struct file *hugetlb_file_setup(const char *name, size_t size,
vm_flags_t acctflag, struct user_struct **user,
int creat_flags, int page_size_log)
{
...
if (creat_flags == HUGETLB_SHMFS_INODE && !can_do_hugetlb_shm()) {
*user = current_user();
if (user_shm_lock(size, *user)) {
task_lock(current);
pr_warn_once("%s (%d): Using mlock ulimits for SHM_HUGETLB is deprecated\n",
current->comm, current->pid);
task_unlock(current);
} else {
*user = NULL;
return ERR_PTR(-EPERM);
}
}
...
}
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2021-05-17 15:38:39 +12:00
Michael Kerrisk
1d767b552e
getent.1, ldd.1, locale.1, localedef.1, memusage.1, memusagestat.1, mtrace.1, _exit.2, _syscall.2, accept.2, access.2, acct.2, add_key.2, adjtimex.2, alloc_hugepages.2, arch_prctl.2, bdflush.2, bind.2, bpf.2, brk.2, cacheflush.2, capget.2, chdir.2, chmod.2, chown.2, chroot.2, clock_getres.2, clock_nanosleep.2, clone.2, close.2, close_range.2, connect.2, copy_file_range.2, create_module.2, delete_module.2, dup.2, epoll_create.2, epoll_ctl.2, epoll_wait.2, eventfd.2, execve.2, execveat.2, fanotify_init.2, fanotify_mark.2, fcntl.2, flock.2, fork.2, fsync.2, futex.2, get_kernel_syms.2, get_mempolicy.2, get_robust_list.2, getcpu.2, getdents.2, getdomainname.2, getgid.2, getgroups.2, gethostname.2, getitimer.2, getpagesize.2, getpeername.2, getpid.2, getpriority.2, getrandom.2, getresuid.2, getrlimit.2, getrusage.2, getsid.2, getsockname.2, getsockopt.2, gettid.2, gettimeofday.2, getuid.2, getunwind.2, getxattr.2, idle.2, init_module.2, inotify_add_watch.2, inotify_rm_watch.2, io_cancel.2, io_destroy.2, io_getevents.2, io_setup.2, io_submit.2, ioctl.2, ioctl_console.2, ioctl_fat.2, ioctl_ficlonerange.2, ioctl_fideduperange.2, ioctl_fslabel.2, ioctl_getfsmap.2, ioctl_ns.2, ioctl_tty.2, ioctl_userfaultfd.2, ioperm.2, iopl.2, ipc.2, kcmp.2, kexec_load.2, keyctl.2, kill.2, link.2, listen.2, listxattr.2, llseek.2, lookup_dcookie.2, lseek.2, madvise.2, mbind.2, membarrier.2, memfd_create.2, migrate_pages.2, mincore.2, mkdir.2, mknod.2, mlock.2, mmap.2, mmap2.2, modify_ldt.2, mount.2, move_pages.2, mprotect.2, mq_getsetattr.2, mremap.2, msgctl.2, msgget.2, msgop.2, msync.2, nanosleep.2, nfsservctl.2, nice.2, open.2, open_by_handle_at.2, openat2.2, pause.2, pciconfig_read.2, perf_event_open.2, perfmonctl.2, personality.2, pidfd_getfd.2, pidfd_open.2, pidfd_send_signal.2, pipe.2, pivot_root.2, pkey_alloc.2, poll.2, posix_fadvise.2, prctl.2, pread.2, process_vm_readv.2, ptrace.2, query_module.2, quotactl.2, read.2, readahead.2, readdir.2, readlink.2, readv.2, reboot.2, recv.2, remap_file_pages.2, removexattr.2, rename.2, request_key.2, restart_syscall.2, rmdir.2, rt_sigqueueinfo.2, s390_guarded_storage.2, s390_pci_mmio_write.2, s390_runtime_instr.2, s390_sthyi.2, sched_get_priority_max.2, sched_rr_get_interval.2, sched_setaffinity.2, sched_setattr.2, sched_setparam.2, sched_setscheduler.2, sched_yield.2, seccomp.2, select.2, select_tut.2, semctl.2, semget.2, semop.2, send.2, sendfile.2, set_thread_area.2, seteuid.2, setfsgid.2, setfsuid.2, setgid.2, setpgid.2, setresuid.2, setreuid.2, setsid.2, setuid.2, setup.2, setxattr.2, sgetmask.2, shmctl.2, shmget.2, shmop.2, shutdown.2, sigaction.2, sigaltstack.2, signal.2, signalfd.2, sigpending.2, sigprocmask.2, sigreturn.2, sigsuspend.2, sigwaitinfo.2, socket.2, socketcall.2, socketpair.2, splice.2, spu_create.2, spu_run.2, stat.2, statfs.2, statx.2, stime.2, subpage_prot.2, swapon.2, symlink.2, sync.2, sync_file_range.2, syscall.2, syscalls.2, sysctl.2, sysfs.2, sysinfo.2, syslog.2, time.2, timer_create.2, timer_delete.2, timer_getoverrun.2, timer_settime.2, timerfd_create.2, times.2, tkill.2, truncate.2, umask.2, umount.2, uname.2, unimplemented.2, unlink.2, unshare.2, uselib.2, userfaultfd.2, ustat.2, utime.2, utimensat.2, vfork.2, vhangup.2, vm86.2, vmsplice.2, wait.2, wait4.2, write.2, CPU_SET.3, __ppc_get_timebase.3, __ppc_set_ppr_med.3, __ppc_yield.3, __setfpucw.3, a64l.3, abort.3, abs.3, acos.3, acosh.3, addseverity.3, adjtime.3, aio_cancel.3, aio_error.3, aio_fsync.3, aio_read.3, aio_return.3, aio_suspend.3, aio_write.3, alloca.3, argz_add.3, asin.3, asinh.3, asprintf.3, assert.3, assert_perror.3, atan.3, atan2.3, atanh.3, atexit.3, atof.3, atoi.3, backtrace.3, basename.3, bcmp.3, bcopy.3, bindresvport.3, bsd_signal.3, bsearch.3, bstring.3, btowc.3, byteorder.3, bzero.3, cabs.3, cacos.3, cacosh.3, canonicalize_file_name.3, carg.3, casin.3, casinh.3, catan.3, catanh.3, catgets.3, catopen.3, cbrt.3, ccos.3, ccosh.3, ceil.3, cexp.3, cexp2.3, cfree.3, cimag.3, circleq.3, clearenv.3, clock.3, clock_getcpuclockid.3, clog.3, clog10.3, clog2.3, closedir.3, cmsg.3, confstr.3, conj.3, copysign.3, cos.3, cosh.3, cpow.3, cproj.3, creal.3, crypt.3, csin.3, csinh.3, csqrt.3, ctan.3, ctanh.3, ctermid.3, ctime.3, daemon.3, des_crypt.3, difftime.3, dirfd.3, div.3, dl_iterate_phdr.3, dladdr.3, dlerror.3, dlinfo.3, dlopen.3, dlsym.3, drand48.3, drand48_r.3, duplocale.3, dysize.3, ecvt.3, ecvt_r.3, encrypt.3, endian.3, envz_add.3, erf.3, erfc.3, err.3, errno.3, error.3, ether_aton.3, euidaccess.3, exec.3, exit.3, exp.3, exp10.3, exp2.3, expm1.3, fabs.3, fclose.3, fcloseall.3, fdim.3, fenv.3, ferror.3, fexecve.3, fflush.3, ffs.3, fgetc.3, fgetgrent.3, fgetpwent.3, fgetwc.3, fgetws.3, fileno.3, finite.3, flockfile.3, floor.3, fma.3, fmax.3, fmemopen.3, fmin.3, fmod.3, fmtmsg.3, fnmatch.3, fopen.3, fopencookie.3, fpathconf.3, fpclassify.3, fpurge.3, fputwc.3, fputws.3, fread.3, frexp.3, fseek.3, fseeko.3, ftime.3, ftok.3, fts.3, ftw.3, futimes.3, fwide.3, gamma.3, gcvt.3, get_nprocs_conf.3, get_phys_pages.3, getaddrinfo.3, getaddrinfo_a.3, getauxval.3, getcontext.3, getcwd.3, getdate.3, getdirentries.3, getdtablesize.3, getentropy.3, getenv.3, getfsent.3, getgrent.3, getgrent_r.3, getgrnam.3, getgrouplist.3, gethostbyname.3, gethostid.3, getifaddrs.3, getipnodebyname.3, getline.3, getloadavg.3, getlogin.3, getmntent.3, getnameinfo.3, getnetent.3, getnetent_r.3, getopt.3, getpass.3, getprotoent.3, getprotoent_r.3, getpt.3, getpw.3, getpwent.3, getpwent_r.3, getpwnam.3, getrpcent.3, getrpcent_r.3, getrpcport.3, gets.3, getservent.3, getservent_r.3, getspnam.3, getsubopt.3, getttyent.3, getumask.3, getusershell.3, getutent.3, getutmp.3, getw.3, getwchar.3, glob.3, gnu_get_libc_version.3, grantpt.3, group_member.3, gsignal.3, hsearch.3, hypot.3, iconv.3, iconv_close.3, iconv_open.3, if_nameindex.3, if_nametoindex.3, ilogb.3, index.3, inet.3, inet_net_pton.3, inet_ntop.3, inet_pton.3, initgroups.3, insque.3, isalpha.3, isatty.3, isfdtype.3, isgreater.3, iswalnum.3, iswalpha.3, iswblank.3, iswcntrl.3, iswctype.3, iswdigit.3, iswgraph.3, iswlower.3, iswprint.3, iswpunct.3, iswspace.3, iswupper.3, iswxdigit.3, j0.3, key_setsecret.3, killpg.3, ldexp.3, lgamma.3, lio_listio.3, list.3, localeconv.3, lockf.3, log.3, log10.3, log1p.3, log2.3, logb.3, login.3, lrint.3, lround.3, lsearch.3, lseek64.3, makecontext.3, makedev.3, mallinfo.3, malloc.3, malloc_get_state.3, malloc_hook.3, malloc_info.3, malloc_stats.3, malloc_trim.3, malloc_usable_size.3, mallopt.3, matherr.3, mblen.3, mbrlen.3, mbrtowc.3, mbsinit.3, mbsnrtowcs.3, mbsrtowcs.3, mbstowcs.3, mbtowc.3, mcheck.3, memccpy.3, memchr.3, memcmp.3, memcpy.3, memfrob.3, memmem.3, memmove.3, mempcpy.3, memset.3, mkdtemp.3, mkfifo.3, mkstemp.3, mktemp.3, modf.3, mpool.3, mq_close.3, mq_getattr.3, mq_notify.3, mq_open.3, mq_receive.3, mq_send.3, mq_unlink.3, mtrace.3, nan.3, newlocale.3, nextafter.3, nextup.3, nl_langinfo.3, ntp_gettime.3, on_exit.3, open_memstream.3, opendir.3, openpty.3, perror.3, popen.3, posix_fallocate.3, posix_madvise.3, posix_memalign.3, posix_openpt.3, posix_spawn.3, pow.3, pow10.3, printf.3, profil.3, psignal.3, pthread_attr_init.3, pthread_attr_setaffinity_np.3, pthread_attr_setdetachstate.3, pthread_attr_setguardsize.3, pthread_attr_setinheritsched.3, pthread_attr_setschedparam.3, pthread_attr_setschedpolicy.3, pthread_attr_setscope.3, pthread_attr_setsigmask_np.3, pthread_attr_setstack.3, pthread_attr_setstackaddr.3, pthread_attr_setstacksize.3, pthread_cancel.3, pthread_cleanup_push.3, pthread_cleanup_push_defer_np.3, pthread_create.3, pthread_detach.3, pthread_equal.3, pthread_exit.3, pthread_getattr_default_np.3, pthread_getattr_np.3, pthread_getcpuclockid.3, pthread_join.3, pthread_kill.3, pthread_kill_other_threads_np.3, pthread_mutex_consistent.3, pthread_mutexattr_getpshared.3, pthread_mutexattr_setrobust.3, pthread_rwlockattr_setkind_np.3, pthread_self.3, pthread_setaffinity_np.3, pthread_setcancelstate.3, pthread_setconcurrency.3, pthread_setname_np.3, pthread_setschedparam.3, pthread_setschedprio.3, pthread_sigmask.3, pthread_sigqueue.3, pthread_spin_init.3, pthread_spin_lock.3, pthread_testcancel.3, pthread_tryjoin_np.3, pthread_yield.3, ptsname.3, putenv.3, putgrent.3, putpwent.3, puts.3, putwchar.3, qecvt.3, qsort.3, raise.3, rand.3, random.3, random_r.3, rcmd.3, re_comp.3, readdir.3, readdir_r.3, realpath.3, regex.3, remainder.3, remove.3, remquo.3, resolver.3, rewinddir.3, rexec.3, rint.3, round.3, rpc.3, rpmatch.3, rtime.3, rtnetlink.3, scalb.3, scalbln.3, scandir.3, scanf.3, sched_getcpu.3, seekdir.3, sem_close.3, sem_destroy.3, sem_getvalue.3, sem_init.3, sem_open.3, sem_post.3, sem_unlink.3, sem_wait.3, setaliasent.3, setbuf.3, setenv.3, setjmp.3, setlocale.3, setlogmask.3, setnetgrent.3, shm_open.3, siginterrupt.3, signbit.3, significand.3, sigpause.3, sigqueue.3, sigset.3, sigsetops.3, sigvec.3, sigwait.3, sin.3, sincos.3, sinh.3, sleep.3, slist.3, sockatmark.3, sqrt.3, stailq.3, statvfs.3, stdarg.3, stdio.3, stdio_ext.3, stpcpy.3, stpncpy.3, strcasecmp.3, strcat.3, strchr.3, strcmp.3, strcoll.3, strcpy.3, strdup.3, strerror.3, strfmon.3, strfromd.3, strfry.3, strftime.3, string.3, strlen.3, strnlen.3, strpbrk.3, strptime.3, strsep.3, strsignal.3, strspn.3, strstr.3, strtod.3, strtoimax.3, strtok.3, strtol.3, strtoul.3, strverscmp.3, strxfrm.3, swab.3, sysconf.3, syslog.3, system.3, sysv_signal.3, tailq.3, tan.3, tanh.3, tcgetpgrp.3, tcgetsid.3, telldir.3, tempnam.3, termios.3, tgamma.3, timegm.3, timeradd.3, tmpfile.3, tmpnam.3, toascii.3, toupper.3, towctrans.3, towlower.3, towupper.3, trunc.3, tsearch.3, ttyname.3, ttyslot.3, tzset.3, ualarm.3, ulimit.3, undocumented.3, ungetwc.3, unlocked_stdio.3, unlockpt.3, updwtmp.3, uselocale.3, usleep.3, wcpcpy.3, wcpncpy.3, wcrtomb.3, wcscasecmp.3, wcscat.3, wcschr.3, wcscmp.3, wcscpy.3, wcscspn.3, wcsdup.3, wcslen.3, wcsncasecmp.3, wcsncat.3, wcsncmp.3, wcsncpy.3, wcsnlen.3, wcsnrtombs.3, wcspbrk.3, wcsrchr.3, wcsrtombs.3, wcsspn.3, wcsstr.3, wcstoimax.3, wcstok.3, wcstombs.3, wcswidth.3, wctob.3, wctomb.3, wctrans.3, wctype.3, wcwidth.3, wmemchr.3, wmemcmp.3, wmemcpy.3, wmemmove.3, wmemset.3, wordexp.3, wprintf.3, xcrypt.3, xdr.3, y0.3, cciss.4, console_codes.4, dsp56k.4, hpsa.4, initrd.4, loop.4, lp.4, msr.4, random.4, rtc.4, smartpqi.4, veth.4, wavelan.4, acct.5, core.5, elf.5, hosts.5, locale.5, proc.5, resolv.conf.5, rpc.5, slabinfo.5, sysfs.5, tmpfs.5, utmp.5, address_families.7, aio.7, attributes.7, bootparam.7, capabilities.7, cgroups.7, complex.7, ddp.7, environ.7, epoll.7, fanotify.7, feature_test_macros.7, hier.7, inode.7, inotify.7, ip.7, ipv6.7, keyrings.7, locale.7, man-pages.7, man.7, math_error.7, mount_namespaces.7, namespaces.7, netdevice.7, netlink.7, numa.7, packet.7, pkeys.7, pthreads.7, queue.7, raw.7, rtnetlink.7, sched.7, session-keyring.7, shm_overview.7, sigevent.7, signal-safety.7, signal.7, sock_diag.7, socket.7, spufs.7, symlink.7, system_data_types.7, tcp.7, time_namespaces.7, udp.7, udplite.7, unicode.7, unix.7, uri.7, user_namespaces.7, vdso.7, vsock.7, x25.7, iconvconfig.8, ld.so.8, ldconfig.8, sln.8, tzselect.8: tstamp
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2021-03-22 00:15:34 +01:00
Michael Kerrisk
106843a6b7
elf.5: srcfix: Remove idiosyncratic mark-up
...
This page uses some idiosyncratic mark-up involving the use of
a groff register. The mark-up actually makes no difference to
the formatted result, but does cause man2html(1) to emit error
messages, since it does not understand the mark-up. So, remove
that mark-up.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2021-02-16 11:06:37 +01:00
Michael Kerrisk
cd415e7364
Various pages: use "\-" to generate real minus in circumstances where appropriate
...
Use \- for math formulas, pathnames, manual page cross references,
etc.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2021-01-21 10:53:59 +01:00
Michael Kerrisk
b49c2acb42
Various pages: use real minus signs in pathnames
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2021-01-21 10:29:14 +01:00
Michael Kerrisk
d064d41a4b
Various pages: Inside code blocks (.EX/.EE) use \- to get real minus signs
...
A real minus can be cut and pasted...
THere are a few exceptions that gave been excluded in the this
change. For example, where there' is a string such as "<p1-name>",
where p1-name is soome sort of pseudo-identifier.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2021-01-21 10:29:14 +01:00
Alejandro Colomar
ccca30c230
Various pages: srcfix: Remove redundant .PP
...
.PP are redundant just after .SH or .SS.
Remove them.
$ find man? -type f \
|xargs sed -i '/^\.S[HS]/{n;/\.PP/d}';
Plus a couple manual edits.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2021-01-10 09:15:48 +01:00
Michael Kerrisk
dc9cadc1c2
Revert "stailq.3, utmp.5, time_namespaces.7: srcfix: remove redundant .PP"
...
Do this in order to apply a better patch from Alex Colomar.
This reverts commit f7fc28f97a
.
2021-01-10 09:15:12 +01:00
Michael Kerrisk
f7fc28f97a
stailq.3, utmp.5, time_namespaces.7: srcfix: remove redundant .PP
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2021-01-10 08:59:28 +01:00
Michael Kerrisk
3ded684c1a
Various pages: tfix (Oxford comma)
...
Found using:
git grep -lE '^[^.].*,.*,.*[^,] (and|or)\>'
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2021-01-09 11:15:26 +01:00
Michael Kerrisk
735334d454
Various pages: tfix (Oxford comma)
...
Discovered using:
git grep -lE '^[^.].*, [^ ]*[^,] (or|and)\>'
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2021-01-09 11:02:33 +01:00
Michael Kerrisk
2c916a1d3c
Various pages: Remove redundant "\\ " to escape spaces
...
Reported-by: Alejandro Colomar (man-pages) <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2021-01-08 13:42:27 +01:00
John Morris
076fbe0613
resolv.conf.5: tfix
...
Change `RES_USE_EDNSO` to `RES_USE_EDNS0`, defined in
`resolv.h`. (This is written correctly in `man3/resolver.3` in this
same repo.) Helps with grepping and internet searches!
Signed-off-by: John Morris <john@zultron.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2021-01-06 13:46:44 +01:00
Michael Kerrisk
c7db92b96a
Various pages: Use .nf/.fi in SYNOPSIS
...
The majority of pages use .nf/.fi in SYNOPSIS, but there are
still many that don't and use .br to achieve newlines. Fix many
of those. This brings greater consistency to the pages, which
eases editing and may ease future scripted edits to the pages.
Many of these changes were script-assisted, with some additional
manual edits.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2021-01-03 13:09:47 +01:00
Jakub Wilk
5bd94cbd31
filesystems.5: tfix
...
Signed-off-by: Jakub Wilk <jwilk@jwilk.net>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-12-30 09:30:34 +01:00
Michael Kerrisk
46b20ca1bb
ioctl_ns.2, keyctl.2, memfd_create.2, pidfd_send_signal.2, poll.2, seccomp.2, signalfd.2, timerfd_create.2, unshare.2, dlinfo.3, duplocale.3, fopencookie.3, getgrouplist.3, getifaddrs.3, getprotoent_r.3, getservent_r.3, insque.3, printf.3, pthread_attr_init.3, pthread_cancel.3, pthread_create.3, pthread_mutexattr_setrobust.3, pthread_setaffinity_np.3, qsort.3, sem_wait.3, core.5, elf.5, aio.7, epoll.7, pkeys.7, system_data_types.7, unix.7: Use periods more consistently inside code comments
...
In general, complete sentences in free-standing comments
should be terminated by periods.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-12-27 12:32:44 +01:00
Michael Kerrisk
9f43659f85
getent.1, access.2, cacheflush.2, chroot.2, clock_getres.2, fcntl.2, getrusage.2, io_cancel.2, io_destroy.2, io_getevents.2, io_setup.2, io_submit.2, link.2, llseek.2, mmap.2, mount.2, readv.2, restart_syscall.2, semctl.2, set_mempolicy.2, set_tid_address.2, shmctl.2, sigaction.2, sigaltstack.2, spu_create.2, statfs.2, subpage_prot.2, syscalls.2, timer_getoverrun.2, uselib.2, INFINITY.3, __ppc_set_ppr_med.3, bstring.3, btree.3, ctime.3, fgetc.3, fopen.3, getcontext.3, gethostbyname.3, getnetent.3, getprotoent.3, getservent.3, inet.3, j0.3, list.3, makecontext.3, nextafter.3, posix_memalign.3, profil.3, pthread_tryjoin_np.3, puts.3, rcmd.3, resolver.3, rtime.3, sigsetops.3, strnlen.3, tailq.3, elf.5, filesystems.5, nscd.conf.5, proc.5, utmp.5, attributes.7, ipv6.7, packet.7, pthreads.7, signal-safety.7, signal.7, spufs.7, system_data_types.7, tcp.7: tstamp
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-12-21 16:19:35 +01:00
наб
1f8e172790
filesystems.5: wfix: ntfs: remove FAT comparison
...
The main point I was driving at with this patch was to fix
"Microsoft Window's FAT filesystems" (i.e., FAT filesystems which
belong to Microsoft Windows, which is decidedly wrong).
FAT32 first shipped with MS-DOS 7.1, as part of Windows 95 OSR2,
but it's a (relatively) simple logical extension of the previous
FATx filesystems (16 and 12 as we know and love them today, I
don't think the PC ever saw 8), hence the "VFAT" driver name ‒
calling FAT-anything a Windows filesystem would be a flat-out lie,
calling it a Microsoft filesystem would be, uh, facetious.
NTFS (as part of Windows NT), on the other hand, is wholly
different WRT the scope and feature-set (it does borrow some
layouting from FAT, but reading NTFS as FAT doesn't get you very
far, or much).
The replacing bit is also questionable, especially in a.d. 2020:
while it is true that you cannot install NT on FAT (after a
certain point? my memory ain't what it used to be), and must
therefore replace your existing FAT partitions with NTFS during
upgrades; Windows NT 4.0, the last product to be NT-branded came
out in 1996, i.e. you could not install Windows on FAT (and,
therefore, upgrade it to NTFS, replacing it) during my entire
lifetime.
Indeed, in $(date +%Y) we live in a post-NTFS world ‒ putting NTFS
in the same class as FAT beyond "is a filesystem" is a joke.
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-12-20 15:42:25 +01:00
Ahelenia Ziemiańska
f5bb7e8e4d
filesystems.5: Note ncpfs removal from kernel
...
Relevant Linux commits:
* moved to staging in 1bb8155080c652c4853e6228f8f0d262b3049699
(describe: v4.15-rc1-129-g1bb8155080c6) in Nov 2017,
described as "broken" and "obsolete"
* purged in bd32895c750bcd2b511bf93917bf7ae723e3d0b6
(describe: v4.17-rc3-1010-gbd32895c750b) in Jun 2018,
"since no one has complained or even noticed it was gone"
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-12-20 15:41:41 +01:00
Ahelenia Ziemiańska
8c3293a170
filesystems.5: Fix link to user space tooling for ncpfs
...
Corresponds to Linux commit 1b83df308f69a5a3cc59be03bd7fb23e4bcebd8e
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-12-20 15:41:24 +01:00
Michael Kerrisk
10cee42ae6
elf.5: ffix
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-12-18 21:16:53 +01:00
Michael Kerrisk
27482d700b
elf.5: srcfix
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-12-13 11:13:43 +01:00
Michael Kerrisk
89a3c07fb2
elf.5: SEE ALSO: add objcopy(1)
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-12-13 11:13:36 +01:00
Alejandro Colomar
6ff0e05d77
utmp.5: Oxford comma
...
Found using:
$ grep -rn '\\f., [^ ]*\\f. and' man?
I also updated the markup in that paragraph: \f -> .
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-11-21 22:26:16 +01:00
Alejandro Colomar
d556548bf4
getent.1, fanotify_mark.2, fcntl.2, futex.2, membarrier.2, mmap.2, mount.2, msgctl.2, readv.2, semctl.2, set_mempolicy.2, shmctl.2, syscalls.2, abs.3, bstring.3, btree.3, ctime.3, drand48.3, fgetc.3, fopen.3, gethostbyname.3, getnetent.3, getprotoent.3, getservent.3, INFINITY.3, __ppc_set_ppr_med.3, inet.3, j0.3, makecontext.3, printf.3, puts.3, resolver.3, sigsetops.3, elf.5, nscd.conf.5, proc.5, inotify.7, ipv6.7, spufs.7, system_data_types.7: Use Oxford comma
...
Found using:
pcregrep -rnM "^\.[B|I]R .*,\n\.[B|I].*[^,]\nand" man? |grep ^man |sort
Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-11-15 21:30:30 +01:00
Alejandro Colomar
14d43d3005
locale.5, ipv6.7: ffix
...
[.B XX_*] is the most extended form in the pages.
Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-11-15 21:29:21 +01:00
Michael Kerrisk
13648a9cfa
proc.5: wfix
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-11-06 12:30:20 +01:00
Michael Kerrisk
3fde8c2e45
memusage.1, pldd.1, sprof.1, add_key.2, bind.2, bpf.2, clone.2, dup.2, epoll_ctl.2, eventfd.2, fanotify_init.2, fanotify_mark.2, futex.2, getdents.2, getpid.2, getrlimit.2, intro.2, ioctl_fat.2, ioctl_ns.2, kcmp.2, keyctl.2, membarrier.2, memfd_create.2, mprotect.2, msgctl.2, msgop.2, nfsservctl.2, open.2, open_by_handle_at.2, openat2.2, outb.2, perf_event_open.2, pivot_root.2, recv.2, recvmmsg.2, request_key.2, sched_setaffinity.2, sched_setattr.2, seccomp.2, select.2, send.2, signalfd.2, spu_run.2, sysctl.2, timer_create.2, userfaultfd.2, wait.2, CPU_SET.3, abs.3, argz_add.3, backtrace.3, bsearch.3, bswap.3, clock_getcpuclockid.3, cmsg.3, dl_iterate_phdr.3, dlinfo.3, dlopen.3, drand48.3, drand48_r.3, duplocale.3, encrypt.3, endian.3, envz_add.3, errno.3, ffs.3, fopencookie.3, get_phys_pages.3, getaddrinfo.3, getaddrinfo_a.3, getdate.3, getgrent_r.3, getgrouplist.3, getifaddrs.3, getline.3, getprotoent_r.3, getpwent_r.3, getpwnam.3, getservent_r.3, hsearch.3, insque.3, intro.3, lrint.3, lround.3, lseek64.3, mallinfo.3, malloc_hook.3, malloc_info.3, mbsinit.3, mbstowcs.3, mtrace.3, newlocale.3, ntp_gettime.3, offsetof.3, perror.3, posix_fallocate.3, posix_spawn.3, printf.3, psignal.3, pthread_attr_init.3, pthread_create.3, pthread_getattr_np.3, pthread_getcpuclockid.3, pthread_setaffinity_np.3, pthread_setname_np.3, pthread_sigmask.3, qsort.3, rand.3, random.3, rpc.3, rtnetlink.3, scalbln.3, shm_open.3, stdarg.3, strcat.3, strerror.3, strfmon.3, strptime.3, strsignal.3, strtod.3, strtok.3, strtol.3, strtoul.3, tsearch.3, wordexp.3, loop.4, vcs.4, veth.4, core.5, locale.5, slabinfo.5, cgroup_namespaces.7, cpuset.7, credentials.7, fanotify.7, feature_test_macros.7, inotify.7, ip.7, kernel_lockdown.7, man.7, mount_namespaces.7, namespaces.7, pid_namespaces.7, rtld-audit.7, sigevent.7, sock_diag.7, standards.7, unix.7, user_namespaces.7: tstamp
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-11-01 21:56:08 +01:00
Jann Horn
20e43cd694
proc.5: Document inaccurate RSS due to SPLIT_RSS_COUNTING
...
[mtk: Manually applied patch, because of conflicts with other
merged changes; also added an edit suggested by Jann; see the
thread at
https://lore.kernel.org/linux-man/20201012114940.1317510-1-jannh@google.com/ ]
Since 34e55232e59f7b19050267a05ff1226e5cd122a5 (introduced back in
v2.6.34), Linux uses per-thread RSS counters to reduce cache
contention on the per-mm counters. With a 4K page size, that means
that you can end up with the counters off by up to 252KiB per
thread.
Example:
$ cat rsstest.c
#include <stdlib.h>
#include <err.h>
#include <stdio.h>
#include <signal.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/eventfd.h>
#include <sys/prctl.h>
void dump(int pid) {
char cmd[1000];
sprintf(cmd,
"grep '^VmRSS' /proc/%d/status;"
"grep '^Rss:' /proc/%d/smaps_rollup;"
"echo",
pid, pid
);
system(cmd);
}
int main(void) {
eventfd_t dummy;
int child_wait = eventfd(0, EFD_SEMAPHORE|EFD_CLOEXEC);
int child_resume = eventfd(0, EFD_SEMAPHORE|EFD_CLOEXEC);
if (child_wait == -1 || child_resume == -1) err(1, "eventfd");
pid_t child = fork();
if (child == -1) err(1, "fork");
if (child == 0) {
if (prctl(PR_SET_PDEATHSIG, SIGKILL)) err(1, "PDEATHSIG");
if (getppid() == 1) exit(0);
char *mapping = mmap(NULL, 80 * 0x1000, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
eventfd_write(child_wait, 1);
eventfd_read(child_resume, &dummy);
for (int i=0; i<40; i++) mapping[0x1000 * i] = 1;
eventfd_write(child_wait, 1);
eventfd_read(child_resume, &dummy);
for (int i=40; i<80; i++) mapping[0x1000 * i] = 1;
eventfd_write(child_wait, 1);
eventfd_read(child_resume, &dummy);
exit(0);
}
eventfd_read(child_wait, &dummy);
dump(child);
eventfd_write(child_resume, 1);
eventfd_read(child_wait, &dummy);
dump(child);
eventfd_write(child_resume, 1);
eventfd_read(child_wait, &dummy);
dump(child);
eventfd_write(child_resume, 1);
exit(0);
}
$ gcc -o rsstest rsstest.c && ./rsstest
VmRSS: 68 kB
Rss: 616 kB
VmRSS: 68 kB
Rss: 776 kB
VmRSS: 812 kB
Rss: 936 kB
$
Let's document that those counters aren't entirely accurate.
Reported-by: Mark Mossberg <mark.mossberg@gmail.com>
Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-10-27 14:52:08 +01:00
Michael Kerrisk
14948ad6ec
proc.5: Minor fixes
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-10-27 14:51:44 +01:00
Michael Kerrisk
bd13ace0c5
proc.5: ffix: use a hanging list as is done elsewhere in the page
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-10-27 14:51:44 +01:00
Michael Kerrisk
167f94b707
proc.5: Update capability requirements for accessing /proc/[pid]/map_files
...
The requirements changed with kernel commit 12886f8ab10ce6.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-10-27 14:51:44 +01:00
Michael Kerrisk
11fd5e7c2a
membarrier.2, openat2.2, insque.3, proc.5, tzfile.5, hier.7: Minor grammar fix
...
Don't hyphenate after adjective ending in "ly". See, for example:
https://www.dragoman.ist/compound-modifiers-with-words-ending-in-ly/
https://www.merriam-webster.com/words-at-play/6-common-hypercorrections-and-how-to-avoid-them/between-you-and-i
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-10-25 13:12:57 +01:00
Jing Peng
9ae9894c8e
proc.5: wfix
...
In the section for /proc/[pid]/smaps, the description of field
ProtectionKey occurs twice: both before and after the description of
VmFlags.
Changes made by this patch:
1) Only the first occurrence is kept because its order matches the
output of /proc/[pid]/smaps.
2) The kernel version that CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS was
introduced is only mentioned in the second occurrence. Now it's moved
to the first one.
Signed-off-by: Jing Peng <pj.hades@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-10-25 09:47:47 +01:00
Michael Kerrisk
861b602b53
resolv.conf.5: Minor edits to Florian Weimer's patch
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-10-12 23:11:08 +02:00
Michael Kerrisk
cd79eb0ded
resolv.conf.5: srcfix: rewrap source lines
...
No content changes
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-10-12 23:11:08 +02:00
Florian Weimer
a3f91ca97b
resolv.5: Document the trust-ad option
...
Signed-off-by: Florian Weimer <fweimer@redhat.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-10-12 20:48:39 +02:00
Florian Weimer
870d48813c
locale.5: Decimal points, thousands separators must be one character
...
This is implied by POSIX because it requires that these strings in
the locale definition file contain one symbol. Currently,
locale.5 does not document the concept of symbols, this change
glosses over that and just uses the term "single-character
string".
Signed-off-by: Florian Weimer <fweimer@redhat.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-10-10 11:07:24 +02:00
Samanta Navarro
9d4976ce7d
mmap.2, proc.5, bpf-helpers.7, cpuset.7: tfix
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-10-07 19:24:59 +02:00
Michael Kerrisk
e3fb1b6bfc
proc.5: ffix + srcfix
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-09-29 16:34:50 +02:00
Michael Kerrisk
3cf6149060
adjtimex.2, futex.2, semop.2, slabinfo.5, feature_test_macros.7, keyrings.7: srcfix
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-09-29 16:34:29 +02:00
Michael Kerrisk
161b8eda4d
clone.2, io_submit.2, select.2, shmget.2, getcontext.3, malloc_info.3, mtrace.3, posix_spawn.3, strfromd.3, proc.5: srcfix
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-09-29 14:24:12 +02:00
Michael Kerrisk
db0411bd20
core.5: srcfix
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-09-24 10:00:16 +02:00
Michael Kerrisk
1ef38c0eb1
core.5: ffix
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-09-24 09:59:57 +02:00
Michael Kerrisk
861d36ba31
pldd.1, bpf.2, clone.2, dup.2, ioctl_fat.2, nfsservctl.2, open_by_handle_at.2, perf_event_open.2, pivot_root.2, request_key.2, sched_setaffinity.2, seccomp.2, select.2, statx.2, dl_iterate_phdr.3, dlinfo.3, dlopen.3, insque.3, newlocale.3, printf.3, pthread_setname_np.3, rpc.3, stdarg.3, strfmon.3, veth.4, proc.5, slabinfo.5, cgroup_namespaces.7, cgroups.7, cpuset.7, fanotify.7, inotify.7, mount_namespaces.7, sock_diag.7, user_namespaces.7, ld.so.8: Use \(aq instead of ' inside monospace fonts
...
Use \(aq to get an unslanted single quote inside monospace code
blocks. Using a simple ' results in a slanted quote inside PDFs.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-09-24 09:32:31 +02:00
Alejandro Colomar
ae85f653e4
msgctl.2, outb.2, abs.3, dl_iterate_phdr.3, drand48.3, drand48_r.3, encrypt.3, ffs.3, lrint.3, lround.3, ntp_gettime.3, printf.3, random.3, scalbln.3, scanf.3, strtol.3, strtoul.3, utmp.5, feature_test_macros.7, rtld-audit.7: Omit 'int' keyword for 'short', 'long' and 'long long' types, both signed and 'unsigned'
...
For consistency.
The types are written both with and without the redundant 'int' keyword
all over the man-pages. However, the most used form, by far, is the one
without 'int'.
Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-09-12 08:37:41 +02:00
Alejandro Colomar
95cc0897f7
core.5: Use adequate type
...
'nread' is of type 'ssize_t'
'tot' adds up different values contained in 'nread',
so it should also be 'ssize_t', and not 'int' (which possibly overflows).
Signed-off-by: Alejandro Colomar <colomar.6.4.3@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-09-11 11:33:28 +02:00
Michael Kerrisk
c3e8ceb883
proc.5: Note "open file description" as (better) synonym for "file handle"
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-09-09 12:09:56 +02:00
Michael Kerrisk
88893a773c
sprof.1, eventfd.2, execve.2, futex.2, getdents.2, mprotect.2, open_by_handle_at.2, recvmmsg.2, sched_setaffinity.2, CPU_SET.3, backtrace.3, bsearch.3, dl_iterate_phdr.3, dlinfo.3, duplocale.3, encrypt.3, envz_add.3, fopencookie.3, getaddrinfo.3, getaddrinfo_a.3, getdate.3, getgrent_r.3, getgrouplist.3, getifaddrs.3, getprotoent_r.3, getservent_r.3, hsearch.3, mallinfo.3, malloc_info.3, mbstowcs.3, mtrace.3, pthread_create.3, pthread_getcpuclockid.3, pthread_setaffinity_np.3, qsort.3, rand.3, strcat.3, strtok.3, tsearch.3, wordexp.3, core.5, aio.7, inotify.7, sock_diag.7, unix.7, user_namespaces.7: Use C99 style to declare loop counter variables
...
Rather than:
sometype x;
for (x = ....; ...)
use
for (sometype x = ...; ...)
This brings the declaration and use closer together (thus aiding
readability) and also clearly indicates the scope of the loop
counter variable.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-09-05 17:20:12 +02:00
Michael Kerrisk
ed6c69cab9
intro.1, clock_getres.2, execve.2, fcntl.2, iopl.2, lseek.2, mknod.2, mmap.2, mount.2, mq_getsetattr.2, pidfd_open.2, prctl.2, setns.2, sgetmask.2, sigaction.2, stat.2, statx.2, sync.2, syscalls.2, syslog.2, timerfd_create.2, umask.2, a64l.3, aio_init.3, atoi.3, dladdr.3, fread.3, getpt.3, isfdtype.3, malloc_stats.3, malloc_trim.3, mkfifo.3, mq_close.3, mq_open.3, mq_receive.3, mq_send.3, mq_unlink.3, posix_memalign.3, posix_openpt.3, pthread_atfork.3, pthread_rwlockattr_setkind_np.3, regex.3, scanf.3, sem_close.3, sem_destroy.3, sem_init.3, sem_open.3, sem_post.3, sem_unlink.3, sigset.3, sigvec.3, strftime.3, termios.3, console_codes.4, dsp56k.4, fd.4, lp.4, mouse.4, pts.4, sk98lin.4, dir_colors.5, proc.5, resolv.conf.5, termcap.5, utmp.5, aio.7, armscii-8.7, arp.7, capabilities.7, cgroups.7, charsets.7, cp1251.7, cp1252.7, environ.7, glob.7, inode.7, iso_8859-1.7, iso_8859-10.7, iso_8859-11.7, iso_8859-13.7, iso_8859-14.7, iso_8859-15.7, iso_8859-16.7, iso_8859-2.7, iso_8859-3.7, iso_8859-4.7, iso_8859-5.7, iso_8859-6.7, iso_8859-7.7, iso_8859-8.7, iso_8859-9.7, keyrings.7, koi8-r.7, koi8-u.7, mailaddr.7, man-pages.7, netdevice.7, operator.7, persistent-keyring.7, process-keyring.7, pthreads.7, pty.7, raw.7, regex.7, session-keyring.7, shm_overview.7, signal.7, socket.7, suffixes.7, thread-keyring.7, unicode.7, units.7, uri.7, user-keyring.7, user-session-keyring.7, iconvconfig.8, ld.so.8, zic.8: tstamp
...
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2020-08-13 10:01:14 +02:00