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Commit c5a73c3d authored by Andrea Arcangeli's avatar Andrea Arcangeli Committed by Linus Torvalds
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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: default avatarAndrea Arcangeli <aarcange@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5a03b051

mm/compaction.c

+1 −1
Original line number Diff line number Diff line
@@ -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);