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(parent: 8cece85) | patch
vmstats: add cond_resched() to refresh_cpu_vm_stats()
authorDimitri Sivanich <sivanich@sgi.com>
Mon, 28 Apr 2008 09:13:37 +0000 (02:13 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 28 Apr 2008 15:58:26 +0000 (08:58 -0700)
commit468fd62ed9090ccbe872489df5d0d099510df4b5
tree017ab340cac72bf86423f181f085e7bc39fd70eatree | snapshot
parent8cece85ec744bdc7ea0fc2d33f65b3f031c28468commit | diff
vmstats: add cond_resched() to refresh_cpu_vm_stats()

We've found that it can take quite a bit of time (100's of usec) to get
through the zone loop in refresh_cpu_vm_stats().

Adding a cond_resched() to allow other threads to run in the non-preemptive
case.

Signed-off-by: Dimitri Sivanich <sivanich@sgi.com>
Acked-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/vmstat.c diff | blob | history
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