mm, page_alloc: check once if a zone has isolated pageblocks

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When bulk freeing pages from the per-cpu lists the zone is checked for
isolated pageblocks on every release.  This patch checks it once per
drain.

[mgorman@techsingularity.net: fix locking radce, per Vlastimil]
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

...

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Mel Gorman 2016-05-19 17:13:58 -07:00 • committed by Linus Torvalds

parent 83d4ca8148

commit 3777999dd4

1 changed files with 3 additions and 1 deletions

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mm/page_alloc.c

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