projects / linux-2.6-block.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 275c8b9) | patch
vmstat: Use this_cpu_inc_return for vm statistics
authorChristoph Lameter <cl@linux.com>
Mon, 6 Dec 2010 17:40:02 +0000 (11:40 -0600)
committerTejun Heo <tj@kernel.org>
Fri, 17 Dec 2010 14:18:04 +0000 (15:18 +0100)
commit908ee0f122bf2a67414854af5b90c6621d186a71
tree5394b0b65dada76fed551d44ca0561fe5b7ac839tree | snapshot
parent275c8b93288ef0c2281e414e069ea8ed4bad03f7commit | diff
vmstat: Use this_cpu_inc_return for vm statistics

this_cpu_inc_return() saves us a memory access there. Code
size does not change.

V1->V2:
- Fixed the location of the __per_cpu pointer attributes
- Sparse checked
V2->V3:
- Move fixes to __percpu attribute usage to earlier patch

Reviewed-by: Pekka Enberg <penberg@kernel.org>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
mm/vmstat.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)