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-rw-r--r--mm/page_alloc.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d575a3ee8dd8..29f4de1423c9 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -172,7 +172,10 @@ static void set_pageblock_migratetype(struct page *page, int migratetype)
172 172
173static inline int gfpflags_to_migratetype(gfp_t gfp_flags) 173static inline int gfpflags_to_migratetype(gfp_t gfp_flags)
174{ 174{
175 return ((gfp_flags & __GFP_MOVABLE) != 0); 175 WARN_ON((gfp_flags & GFP_MOVABLE_MASK) == GFP_MOVABLE_MASK);
176
177 return (((gfp_flags & __GFP_MOVABLE) != 0) << 1) |
178 ((gfp_flags & __GFP_RECLAIMABLE) != 0);
176} 179}
177 180
178#else 181#else
@@ -676,8 +679,9 @@ static int prep_new_page(struct page *page, int order, gfp_t gfp_flags)
676 * the free lists for the desirable migrate type are depleted 679 * the free lists for the desirable migrate type are depleted
677 */ 680 */
678static int fallbacks[MIGRATE_TYPES][MIGRATE_TYPES-1] = { 681static int fallbacks[MIGRATE_TYPES][MIGRATE_TYPES-1] = {
679 [MIGRATE_UNMOVABLE] = { MIGRATE_MOVABLE }, 682 [MIGRATE_UNMOVABLE] = { MIGRATE_RECLAIMABLE, MIGRATE_MOVABLE },
680 [MIGRATE_MOVABLE] = { MIGRATE_UNMOVABLE }, 683 [MIGRATE_RECLAIMABLE] = { MIGRATE_UNMOVABLE, MIGRATE_MOVABLE },
684 [MIGRATE_MOVABLE] = { MIGRATE_RECLAIMABLE, MIGRATE_UNMOVABLE },
681}; 685};
682 686
683/* 687/*