diff options
| author | Mel Gorman <mgorman@suse.de> | 2014-01-21 15:50:59 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-21 16:19:48 -0800 |
| commit | 1c5e9c27cbd966c7f0038698d5dcd5ada3574f47 (patch) | |
| tree | a546cec0019aa3b726ba06e50ce38f960ee8f222 /mm/mprotect.c | |
| parent | 1c30e0177e4f41a11cb88b0f1f056ccebfe0fff4 (diff) | |
| download | op-kernel-dev-1c5e9c27cbd966c7f0038698d5dcd5ada3574f47.zip op-kernel-dev-1c5e9c27cbd966c7f0038698d5dcd5ada3574f47.tar.gz | |
mm: numa: limit scope of lock for NUMA migrate rate limiting
NUMA migrate rate limiting protects a migration counter and window using
a lock but in some cases this can be a contended lock. It is not
critical that the number of pages be perfect, lost updates are
acceptable. Reduce the importance of this lock.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
Cc: Alex Thorlton <athorlton@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mprotect.c')
0 files changed, 0 insertions, 0 deletions
