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| author | Mel Gorman <mgorman@suse.de> | 2014-01-22 00:50:59 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-22 01:19:48 +0100 |
| commit | 1c5e9c27cbd966c7f0038698d5dcd5ada3574f47 (patch) | |
| tree | a546cec0019aa3b726ba06e50ce38f960ee8f222 /usr | |
| parent | mm: numa: make NUMA-migrate related functions static (diff) | |
| download | linux-1c5e9c27cbd966c7f0038698d5dcd5ada3574f47.tar.xz linux-1c5e9c27cbd966c7f0038698d5dcd5ada3574f47.zip | |
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 'usr')
0 files changed, 0 insertions, 0 deletions