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| author |   Christoph Lameter <cl@linux.com> | 2013-09-11 14:21:32 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-11 15:57:31 -0700 |
| commit | fbc2edb05354480a88aa39db8a6acb5782fa1a1b (patch) | |
| tree | b3d10c8b1310e264a9d9d4b9a8ea3416b4d12c0d /mm/vmalloc.c | |
| parent | vmstat: create fold_diff (diff) | |
| download | wireguard-linux-fbc2edb05354480a88aa39db8a6acb5782fa1a1b.tar.xz wireguard-linux-fbc2edb05354480a88aa39db8a6acb5782fa1a1b.zip | |
vmstat: use this_cpu() to avoid irqon/off sequence in refresh_cpu_vm_stats
Disabling interrupts repeatedly can be avoided in the inner loop if we use
a this_cpu operation.
Signed-off-by: Christoph Lameter <cl@linux.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
CC: Tejun Heo <tj@kernel.org>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmalloc.c')
0 files changed, 0 insertions, 0 deletions