7747ed9789
cgroups.7: cgroup.events transitions generate POLLERR as well as POLLPRI
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-02-10 09:46:14 +01:00
2cd9bbfa48
Removed trailing white space at end of lines
2018-02-02 07:48:33 +01:00
8538a62b4c
iconv.1, bpf.2, copy_file_range.2, fcntl.2, memfd_create.2, mlock.2, mount.2, mprotect.2, perf_event_open.2, pkey_alloc.2, prctl.2, read.2, recvmmsg.2, s390_sthyi.2, seccomp.2, sendmmsg.2, syscalls.2, unshare.2, write.2, errno.3, fgetpwent.3, fts.3, pthread_rwlockattr_setkind_np.3, fuse.4, veth.4, capabilities.7, cgroups.7, ip.7, man-pages.7, namespaces.7, network_namespaces.7, sched.7, socket.7, user_namespaces.7, iconvconfig.8: tstamp
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-02-02 07:38:54 +01:00
7a1cddd289
cgroups.7: tfix
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Signed-off-by: Jakub Wilk <jwilk@jwilk.net>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-26 19:58:40 +01:00
cd7f4c4958
cgroups.7: Add a detail on delegation of cgroup.threads
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Some notes from a conversation with Tejun Heo:
Subject: Re: cgroups(7): documenting cgroups v2 delegation
Date: Wed, 10 Jan 2018 14:27:26 -0800
From: Tejun Heo <tj@kernel.org>
> > 1. When delegating, cgroup.threads should be delegated. Doing that
> > selectively doesn't achieve anything meaningful.
>
> Understood. But surely delegating cgroup.threads is effectively
> meaningless when delegating a "domain" cgroup tree? (Obviously it's
> not harmful to delegate the the cgroup.threads file in this case;
> it's just not useful to do so.)
Yeap, unless we can somehow support non-root mixed domains.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-11 00:52:26 +01:00
6dc513cd38
cgroups.7: Subhierarchy under delegated subtree will be owned by delegatee
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-11 00:47:12 +01:00
7b327dd5f3
cgroups.7: Add a detail on delegation of cgroup.threads
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-11 00:47:12 +01:00
d84e558ef3
cgroups.7: Define containment rules for cgroup.threads
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Reviewed-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-11 00:47:12 +01:00
446d164326
cgroups.7: Minor wording fixes
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-11 00:47:12 +01:00
c7913617f7
cgroups.7: cgroup.threads should appear in /sys/kernel/cgroup/delegate
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As discussed with Tejun Heo and Roman Gushchin, the
omission of this file from the list is a bug, and
is about to be fixed by a kernel patch from Roman.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-11 00:47:12 +01:00
6125483529
cgroups.7: Add some rationale for the existence of the "domain invalid" cgroup type
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-11 00:47:12 +01:00
dc581e07a4
cgroups.7: wfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-11 00:47:12 +01:00
0736182888
cgroups.7: Point out that 'nsdelegate' can also be applied on a remount
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-11 00:47:12 +01:00
277559a45c
cgroups.7: Clarify that cgroup.controllers is read-only
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-11 00:47:12 +01:00
639b6c8c57
cgroups.7: cgroup.threads is also delegated if delegating a threaded subtree
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-11 00:46:56 +01:00
4178f13224
cgroups.7: cgroup.threads is writable only inside a threaded subtree
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
b2c3e72073
cgroups.7: ffix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
2e69ff536c
cgroups.7: ffix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
d311c798b7
cgroups.7: Add a more complete description of cgroup v1 named hierarchies
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
218eadf4ae
cgroups.7: srcfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
a76748a0e1
cgroups.7: Remove accidentally duplicated NOTES and ERRORS sections
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
c56ec51ba6
cgroups.7: Elaborate a little on problems of splitting threads across cgroups in v1
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
7b574df5c6
cgroups.7: tfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
59af05147e
cgroups.7: Document 'release_agent' mount option
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
56769384da
cgroups.7: Rework text on threads and cgroups v2
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
980f1827b0
cgroups.7: wfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
fcf115f54f
cgroups.7: wfix
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Reported-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
d1d4f69503
cgroups.7: srcfix: remove FIXME
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Tejun noted that his statement wasn't correct.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
ed3f4f34fc
cgroups.7: Document cgroup v2 delegation via the 'nsdelegate' mount option
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Reviewed-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
148e0800eb
cgroups.7: Modify cgroup v2 delegation subheading
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We are about to add description of a different kind
of delegation (nsdelegate) with its own subheading.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
27b086e998
cgroups.7: Add a subheading for delegation containment rules
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This is useful in preparation for adding discussion of the
'nsdelegate' mount option.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
6413d78493
cgroups.7: Document /sys/kernel/cgroup/features
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Reviewed-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
668ef76586
cgroups.7: Document /sys/kernel/cgroup/delegate
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Reviewed-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
28f612ea3d
cgroups.7: Note Linux 4.11 changes to cgroup v2 delegation containment rules
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See kernel commit 576dd464505fc53d501bb94569db76f220104d28
Reported-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:47 +01:00
896305ece8
cgroups.7: srcfix: Remove FIXME
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Tejun Heo confirmed that the existing text is correct.
Reported-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:46 +01:00
e5936eb62f
cgroups.7: Tweak the description of delegation of cgroup.subtree_control
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Reported-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:46 +01:00
00c2709250
cgroups.7: Remove bogus "constraint" relating to thread mode
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Existing cgroups under threaded root *must*, by definition,
be either domain or part of threaded subtrees, so this is not
a constraint on the creation of threaded subtrees.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:46 +01:00
c7f63e7434
cgroups.7: Minor tweaks to text on cgroup.stat
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Reported-by: Roman Gushchin <guro@fb.com>
Reviewed-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:35:43 +01:00
06dadef809
cgroups.7: srcfix: FIXME (nsdelegate)
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:32:19 +01:00
75e83bc270
cgroups.7: wfix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:32:19 +01:00
d0dd7b8844
cgroups.7: srcfix FIXME
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:32:18 +01:00
1de5994653
cgroups.7: srcfix: FIXME
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:32:18 +01:00
b59229e4f9
cgroups.7: srcfix FIXME
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:32:18 +01:00
0735069bf3
cgroups.7: Minor tweak to text on v2 delegation
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:32:18 +01:00
e5bd7e6598
cgroups.7: Minor fix
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:32:18 +01:00
5714ccee0a
cgroups.7: Add some section (SH) headings
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:32:18 +01:00
c8902e25cc
cgroups.7: Document cgroups v2 "thread mode"
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Reviewed-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:32:18 +01:00
e91d4f9ee7
cgroups.7: Mention the existence of "thread mode" in Linux 4.14
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:32:18 +01:00
5845e10bdb
cgroups.7: Document the cgroup.max.depth and cgroup.max.descendants files
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Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:32:18 +01:00
5e071499bb
cgroups.7: Document cgroups v2 cgroup.stat file
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Based on the text in Documentation/cgroup-v2.txt.
Reviewed-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
2018-01-10 00:32:18 +01:00
Michael Kerrisk