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Subject[PATCH] tmpfs: fix Documentation nits
Date
Fix a typo, punctuation, use uppercase for CPUs, and limit
tmpfs to keeping only its files in virtual memory (phrasing).

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org
Cc: Hugh Dickins <hughd@google.com>
Cc: Chris Down <chris@chrisdown.name>
---
Documentation/filesystems/tmpfs.rst | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

--- linux-next-20201201.orig/Documentation/filesystems/tmpfs.rst
+++ linux-next-20201201/Documentation/filesystems/tmpfs.rst
@@ -4,7 +4,7 @@
Tmpfs
=====

-Tmpfs is a file system which keeps all files in virtual memory.
+Tmpfs is a file system which keeps all of its files in virtual memory.


Everything in tmpfs is temporary in the sense that no files will be
@@ -35,7 +35,7 @@ tmpfs has the following uses:
memory.

This mount does not depend on CONFIG_TMPFS. If CONFIG_TMPFS is not
- set, the user visible part of tmpfs is not build. But the internal
+ set, the user visible part of tmpfs is not built. But the internal
mechanisms are always present.

2) glibc 2.2 and above expects tmpfs to be mounted at /dev/shm for
@@ -50,7 +50,7 @@ tmpfs has the following uses:
This mount is _not_ needed for SYSV shared memory. The internal
mount is used for that. (In the 2.3 kernel versions it was
necessary to mount the predecessor of tmpfs (shm fs) to use SYSV
- shared memory)
+ shared memory.)

3) Some people (including me) find it very convenient to mount it
e.g. on /tmp and /var/tmp and have a big swap partition. And now
@@ -83,7 +83,7 @@ If nr_blocks=0 (or size=0), blocks will
if nr_inodes=0, inodes will not be limited. It is generally unwise to
mount with such options, since it allows any user with write access to
use up all the memory on the machine; but enhances the scalability of
-that instance in a system with many cpus making intensive use of it.
+that instance in a system with many CPUs making intensive use of it.


tmpfs has a mount option to set the NUMA memory allocation policy for
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