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Commit 7ead3342 authored by Huang Shijie's avatar Huang Shijie Committed by Linus Torvalds
Browse files

mm/page_alloc.c: change the order of MIGRATE_RECLAIMABLE/MIGRATE_MOVABLE in fallbacks 

In the enum migratetype definition, MIGRATE_MOVABLE is before
MIGRATE_RECLAIMABLE.  Change the order of them to match the enumeration's
order.

Link: http://lkml.kernel.org/r/20181121085821.3442-1-sjhuang@iluvatar.ai


Signed-off-by: default avatarHuang Shijie <sjhuang@iluvatar.ai>
Reviewed-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ca880420

mm/page_alloc.c

+1 −1
Original line number Diff line number Diff line
@@ -1981,8 +1981,8 @@ struct page *__rmqueue_smallest(struct zone *zone, unsigned int order, 
 */

static int fallbacks[MIGRATE_TYPES][4] = {

	[MIGRATE_UNMOVABLE]   = { MIGRATE_RECLAIMABLE, MIGRATE_MOVABLE,   MIGRATE_TYPES },

	[MIGRATE_RECLAIMABLE] = { MIGRATE_UNMOVABLE,   MIGRATE_MOVABLE,   MIGRATE_TYPES },

	[MIGRATE_MOVABLE]     = { MIGRATE_RECLAIMABLE, MIGRATE_UNMOVABLE, MIGRATE_TYPES },

	[MIGRATE_RECLAIMABLE] = { MIGRATE_UNMOVABLE,   MIGRATE_MOVABLE,   MIGRATE_TYPES },

#ifdef CONFIG_CMA

	[MIGRATE_CMA]         = { MIGRATE_TYPES }, /* Never used */

#endif