Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband

[~andy/linux] / include / linux / gfp.h

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index a0992d392d79f4bee31065cea790acf4573265fc..00c314aedab7d8f9487112e9a4d16182185b6332 100644 (file)
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -12,9 +12,6 @@ struct vm_area_struct;
  *
  * Zone modifiers (see linux/mmzone.h - low three bits)
  *
- * These may be masked by GFP_ZONEMASK to make allocations with this bit
- * set fall back to ZONE_NORMAL.
- *
  * Do not put any conditional on these. If necessary modify the definitions
  * without the underscores and use the consistently. The definitions here may
  * be used in bit comparisons.
@@ -48,6 +45,7 @@ struct vm_area_struct;
 #define __GFP_ZERO     ((__force gfp_t)0x8000u)/* Return zeroed page on success */
 #define __GFP_NOMEMALLOC ((__force gfp_t)0x10000u) /* Don't use emergency reserves */
 #define __GFP_HARDWALL   ((__force gfp_t)0x20000u) /* Enforce hardwall cpuset memory allocs */
+#define __GFP_THISNODE ((__force gfp_t)0x40000u)/* No fallback, no policies */
 
 #define __GFP_BITS_SHIFT 20    /* Room for 20 __GFP_FOO bits */
 #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
@@ -56,7 +54,7 @@ struct vm_area_struct;
 #define GFP_LEVEL_MASK (__GFP_WAIT|__GFP_HIGH|__GFP_IO|__GFP_FS| \
                        __GFP_COLD|__GFP_NOWARN|__GFP_REPEAT| \
                        __GFP_NOFAIL|__GFP_NORETRY|__GFP_NO_GROW|__GFP_COMP| \
-                       __GFP_NOMEMALLOC|__GFP_HARDWALL)
+                       __GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_THISNODE)
 
 /* This equals 0, but use constants in case they ever change */
 #define GFP_NOWAIT     (GFP_ATOMIC & ~__GFP_HIGH)
@@ -69,6 +67,13 @@ struct vm_area_struct;
 #define GFP_HIGHUSER   (__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL | \
                         __GFP_HIGHMEM)
 
+#ifdef CONFIG_NUMA
+#define GFP_THISNODE   (__GFP_THISNODE | __GFP_NOWARN | __GFP_NORETRY)
+#else
+#define GFP_THISNODE   0
+#endif
+
+
 /* Flag - indicates that the buffer will be suitable for DMA.  Ignored on some
    platforms, used as appropriate on others */
 
@@ -78,14 +83,7 @@ struct vm_area_struct;
 #define GFP_DMA32      __GFP_DMA32
 
 
-static inline int gfp_zone(gfp_t gfp)
-{
-       int zone = GFP_ZONEMASK & (__force int) gfp;
-       BUG_ON(zone >= GFP_ZONETYPES);
-       return zone;
-}
-
-static inline enum zone_type highest_zone(gfp_t flags)
+static inline enum zone_type gfp_zone(gfp_t flags)
 {
        if (flags & __GFP_DMA)
                return ZONE_DMA;
@@ -118,6 +116,9 @@ static inline enum zone_type highest_zone(gfp_t flags)
 #ifndef HAVE_ARCH_FREE_PAGE
 static inline void arch_free_page(struct page *page, int order) { }
 #endif
+#ifndef HAVE_ARCH_ALLOC_PAGE
+static inline void arch_alloc_page(struct page *page, int order) { }
+#endif
 
 extern struct page *
 FASTCALL(__alloc_pages(gfp_t, unsigned int, struct zonelist *));