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| author | David Rientjes <rientjes@google.com> | 2014-06-04 16:08:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-04 16:54:07 -0700 |
| commit | aeef4b83806f49a0c454b7d4578671b71045bee2 (patch) | |
| tree | c599f3139026f7d674f99824f80625bd5328ad8c /kernel/sys.c | |
| parent | 75f30861a12a6b09b759dfeeb9290b681af89057 (diff) | |
| download | op-kernel-dev-aeef4b83806f49a0c454b7d4578671b71045bee2.zip op-kernel-dev-aeef4b83806f49a0c454b7d4578671b71045bee2.tar.gz | |
mm, compaction: terminate async compaction when rescheduling
Async compaction terminates prematurely when need_resched(), see
compact_checklock_irqsave(). This can never trigger, however, if the
cond_resched() in isolate_migratepages_range() always takes care of the
scheduling.
If the cond_resched() actually triggers, then terminate this pageblock
scan for async compaction as well.
Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@suse.de>
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 'kernel/sys.c')
0 files changed, 0 insertions, 0 deletions
