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-rw-r--r--mm/internal.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 8312d4fadf5..96cda4c6ac5 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 */