mmap.2, proc.5, bpf-helpers.7, cpuset.7: tfix

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

man2/mmap.2

@@ -437,7 +437,7 @@ For other files, creating a mapping with this flag results in an
 error.
 .IP
 Shared file mappings with this flag provide the guarantee that while
-some memory is writably mapped in the address space of the process,
+some memory is mapped writable in the address space of the process,
 it will be visible in the same file at the same offset even after
 the system crashes or is rebooted.
 In conjunction with the use of appropriate CPU instructions,

man5/proc.5

@@ -114,7 +114,7 @@ specific program
 (so long as the program doesn't otherwise reveal itself by its behavior).
 .\" As an additional bonus, since
 .\" .IR /proc/[pid]/cmdline
-.\" is unaccessible for other users,
+.\" is inaccessible for other users,
 .\" poorly written programs passing sensitive information via
 .\" program arguments are now protected against local eavesdroppers.
 .TP

man7/bpf-helpers.7

@@ -2075,7 +2075,7 @@ egress path otherwise). This is the only flag supported for now.
 .B Description
 This helper is used in programs implementing policies at the
 skb socket level. If the sk_buff \fIskb\fP is allowed to pass (i.e.
-if the verdeict eBPF program returns \fBSK_PASS\fP), redirect it
+if the verdict eBPF program returns \fBSK_PASS\fP), redirect it
 to the socket referenced by \fImap\fP (of type
 \fBBPF_MAP_TYPE_SOCKHASH\fP) using hash \fIkey\fP\&. Both ingress and
 egress interfaces can be used for redirection. The

man7/cpuset.7

@@ -317,7 +317,7 @@ Flag (0 or 1).
 If set (1), the kernel slab caches
 for file I/O (directory and inode structures) are
 uniformly spread across the cpuset.
-By defaultBy default, is off (0) in the top cpuset,
+By default, is off (0) in the top cpuset,
 and inherited from the parent cpuset in
 newly created cpusets.
 See the \fBMemory Spread\fR section, below.