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68eb0731c4
With node-lru, the locking is based on the pgdat. Previously it was required that a pagevec drain released one zone lru_lock and acquired another zone lru_lock on every zone change. Now, it's only necessary if the node changes. The end-result is fewer lock release/acquires if the pages are all on the same node but in different zones. Link: http://lkml.kernel.org/r/1468588165-12461-4-git-send-email-mgorman@techsingularity.net Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Acked-by: Minchan Kim <minchan@kernel.org> Acked-by: Johannes Weiner <hannes@cmpxchg.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>
990 lines
27 KiB
990 lines
27 KiB