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| author | Mel Gorman | 2016-07-29 00:47:23 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2016-07-29 01:07:41 +0200 |
| commit | 785b99febb33db0e7779b6293ca34945a1269e21 (patch) | |
| tree | fb617777dc1ab0e07063d2a0b0b6d61a6c64d845 /mm/vmstat.c | |
| parent | mm, vmscan: remove redundant check in shrink_zones() (diff) | |
| download | kernel-qcow2-linux-785b99febb33db0e7779b6293ca34945a1269e21.tar.gz kernel-qcow2-linux-785b99febb33db0e7779b6293ca34945a1269e21.tar.xz kernel-qcow2-linux-785b99febb33db0e7779b6293ca34945a1269e21.zip | |
mm, vmscan: release/reacquire lru_lock on pgdat change
With node-lru, the locking is based on the pgdat. As Minchan pointed
out, there is an opportunity to reduce LRU lock release/acquire in
check_move_unevictable_pages by only changing lock on a pgdat change.
[mgorman@techsingularity.net: remove double initialisation]
Link: http://lkml.kernel.org/r/20160719074835.GC10438@techsingularity.net
Link: http://lkml.kernel.org/r/1468853426-12858-3-git-send-email-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmstat.c')
0 files changed, 0 insertions, 0 deletions