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authorCarlos Alberto Lopez Perez2013-01-04 17:35:05 -0600
committerLinus Torvalds2013-01-04 18:11:46 -0600
commit358e419f826b552c9d795bcd3820597217692461 (patch)
treebb7d83275e46ca18b2cc60ce17508aaf1409557c /Documentation
parent3fcfe78658695b424314ddb76abc8d58b4fc98e6 (diff)
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Documentation/sysctl/kernel.txt: document /proc/sys/shmall
Signed-off-by: Carlos Alberto Lopez Perez <clopez@igalia.com> Cc: Rob Landley <rob@landley.net> Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: Neil Horman <nhorman@tuxdriver.com> Cc: Mitsuo Hayasaka <mitsuo.hayasaka.hu@hitachi.com> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/sysctl/kernel.txt13
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt
index 51b953a1b149..ccd42589e124 100644
--- a/Documentation/sysctl/kernel.txt
+++ b/Documentation/sysctl/kernel.txt
@@ -561,6 +561,19 @@ are doing anyway :)
561 561
562============================================================== 562==============================================================
563 563
564shmall:
565
566This parameter sets the total amount of shared memory pages that
567can be used system wide. Hence, SHMALL should always be at least
568ceil(shmmax/PAGE_SIZE).
569
570If you are not sure what the default PAGE_SIZE is on your Linux
571system, you can run the following command:
572
573# getconf PAGE_SIZE
574
575==============================================================
576
564shmmax: 577shmmax:
565 578
566This value can be used to query and set the run time limit 579This value can be used to query and set the run time limit