1 files changed, 14 insertions, 0 deletions

diff --git a/mm/internal.h b/mm/internal.h
index 8312d4fadf59..96cda4c6ac56 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -358,4 +358,18 @@ extern unsigned long vm_mmap_pgoff(struct file *, unsigned long,
 extern void set_pageblock_order(void);
 unsigned long reclaim_clean_pages_from_list(struct zone *zone,
                                             struct list_head *page_list);
+/* The ALLOC_WMARK bits are used as an index to zone->watermark */
+#define ALLOC_WMARK_MIN         WMARK_MIN
+#define ALLOC_WMARK_LOW         WMARK_LOW
+#define ALLOC_WMARK_HIGH        WMARK_HIGH
+#define ALLOC_NO_WATERMARKS     0x04 /* don't check watermarks at all */
+
+/* Mask to get the watermark bits */
+#define ALLOC_WMARK_MASK        (ALLOC_NO_WATERMARKS-1)
+
+#define ALLOC_HARDER            0x10 /* try to alloc harder */
+#define ALLOC_HIGH              0x20 /* __GFP_HIGH set */
+#define ALLOC_CPUSET            0x40 /* check for correct cpuset */
+#define ALLOC_CMA               0x80 /* allow allocations from CMA areas */
+
 #endif  /* __MM_INTERNAL_H */