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| author | Marek Szyprowski | 2012-12-12 22:51:19 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2012-12-13 02:38:32 +0100 |
| commit | be49a6e13537f32f85bd8c4ba04317ca36ca60ff (patch) | |
| tree | 00f629b7be8203ce1fef100ab8875e291033dc5d /virt | |
| parent | mm: compaction: Fix compiler warning (diff) | |
| download | kernel-qcow2-linux-be49a6e13537f32f85bd8c4ba04317ca36ca60ff.tar.gz kernel-qcow2-linux-be49a6e13537f32f85bd8c4ba04317ca36ca60ff.tar.xz kernel-qcow2-linux-be49a6e13537f32f85bd8c4ba04317ca36ca60ff.zip | |
mm: use migrate_prep() instead of migrate_prep_local()
__alloc_contig_migrate_range() should use all possible ways to get all the
pages migrated from the given memory range, so pruning per-cpu lru lists
for all CPUs is required, regadless the cost of such operation. Otherwise
some pages which got stuck at per-cpu lru list might get missed by
migration procedure causing the contiguous allocation to fail.
Reported-by: SeongHwan Yoon <sunghwan.yun@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'virt')
0 files changed, 0 insertions, 0 deletions