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| author | Davidlohr Bueso <davidlohr@hp.com> | 2014-06-05 03:06:47 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-05 03:53:57 +0400 |
| commit | 6b4ebc3a9078c5b7b8c4cf495a0b1d2d0e0bfe7a (patch) | |
| tree | b72fad03149fb8e21284558b636bb2a8faa88cb6 /arch | |
| parent | 4f115147ff802267d0aa41e361c5aa5bd933d896 (diff) | |
| download | linux-6b4ebc3a9078c5b7b8c4cf495a0b1d2d0e0bfe7a.tar.xz | |
mm,vmacache: optimize overflow system-wide flushing
For single threaded workloads, we can avoid flushing and iterating through
the entire list of tasks, making the whole function a lot faster,
requiring only a single atomic read for the mm_users.
Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Suggested-by: Oleg Nesterov <oleg@redhat.com>
Cc: Aswin Chandramouleeswaran <aswin@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions