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

Signed-off-by: Carlos Alberto Lopez Perez <[email protected]>
Cc: Rob Landley <[email protected]>
Cc: Larry Finger <[email protected]>
Cc: Neil Horman <[email protected]>
Cc: Mitsuo Hayasaka <[email protected]>
Cc: Tejun Heo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Carlos Alberto Lopez Perez 2013-01-04 15:35:05 -08:00 • committed by Linus Torvalds
commit 358e419f82

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@ -561,6 +561,19 @@ are doing anyway :)
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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:
This value can be used to query and set the run time limit