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authorAndrea Arcangeli <aarcange@redhat.com>2011-01-13 15:47:11 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 17:32:46 -0800
commitc5a73c3d55be1faadba35b41a862e036a3b12ddb (patch)
tree65cd54e5995b6dae2edd80393f9c0317a0a11ebc
parent5a03b051ed87e72b959f32a86054e1142ac4cf55 (diff)
thp: use compaction for all allocation orders
It makes no sense not to enable compaction for small order pages as we don't want to end up with bad order 2 allocations and good and graceful order 9 allocations. Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/compaction.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/compaction.c b/mm/compaction.c
index 60d52a7298d5..6d592a021072 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -578,7 +578,7 @@ unsigned long try_to_compact_pages(struct zonelist *zonelist,
* made because an assumption is made that the page allocator can satisfy
* the "cheaper" orders without taking special steps
*/
- if (order <= PAGE_ALLOC_COSTLY_ORDER || !may_enter_fs || !may_perform_io)
+ if (!order || !may_enter_fs || !may_perform_io)
return rc;
count_vm_event(COMPACTSTALL);