Commit 8798cee2 authored Dec 20, 2013 by Mel Gorman Committed by Linus Torvalds Dec 20, 2013

Revert "mm: page_alloc: exclude unreclaimable allocations from zone fairness policy"



This reverts commit 73f038b8.  The NUMA behaviour of this patch is
less than ideal.  An alternative approch is to interleave allocations
only within local zones which is implemented in the next patch.

Cc: stable@vger.kernel.org
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent ee53664b

mm/page_alloc.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -1920,8 +1920,7 @@ get_page_from_freelist(gfp_t gfp_mask, nodemask_t *nodemask, unsigned int order,
		* back to remote zones that do not partake in the
		* fairness round-robin cycle of this zonelist.
		*/
		if ((alloc_flags & ALLOC_WMARK_LOW) &&
		(gfp_mask & GFP_MOVABLE_MASK)) {
		if (alloc_flags & ALLOC_WMARK_LOW) {
		if (zone_page_state(zone, NR_ALLOC_BATCH) <= 0)
		continue;
		if (zone_reclaim_mode &&