tree b3d10c8b1310e264a9d9d4b9a8ea3416b4d12c0d
parent 4edb0748b23887140578d68f5f4e6e2de337a481
author Christoph Lameter <cl@linux.com> 1378934492 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1378940251 -0700

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>