| commit | 908ee0f122bf2a67414854af5b90c6621d186a71 | |
| author | Christoph Lameter <cl@linux.com> | |
| Mon, 6 Dec 2010 17:40:02 +0000 (6 11:40 -0600) | ||
| committer | Tejun Heo <tj@kernel.org> | |
| Fri, 17 Dec 2010 14:18:04 +0000 (17 15:18 +0100) | ||
| tree | 5394b0b65dada76fed551d44ca0561fe5b7ac839 | treesnapshot (tar.gz zip) |
| parent | 275c8b93288ef0c2281e414e069ea8ed4bad03f7 | commitdiff |
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>
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 | diffblobblamehistory |