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Documentation/sysctl/kernel.txt: document /proc/sys/shmall

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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>
This commit is contained in:
Carlos Alberto Lopez Perez 2013-01-04 15:35:05 -08:00 committed by Linus Torvalds
parent 3fcfe78658
commit 358e419f82
1 changed files with 13 additions and 0 deletions
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13
Documentation/sysctl/kernel.txt
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@ -561,6 +561,19 @@ are doing anyway :)
============================================================== ==============================================================
shmall:
This parameter sets the total amount of shared memory pages that
can be used system wide. Hence, SHMALL should always be at least
ceil(shmmax/PAGE_SIZE).
If you are not sure what the default PAGE_SIZE is on your Linux
system, you can run the following command:
# getconf PAGE_SIZE
==============================================================
shmmax: shmmax:
This value can be used to query and set the run time limit This value can be used to query and set the run time limit