X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fgfp.h;h=7851e6b520cf013f4091cd4932f69cb4b00e76b5;hb=a9e2ae39170d01937725e1fff2e606baaa71346c;hp=313dfe9b443abb0d98b890aae74158e580db3ba8;hpb=e1d7a2de6c4249072dd886c129410e11e637ceff;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 313dfe9b443..7851e6b520c 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -11,7 +11,7 @@ struct vm_area_struct;
 /*
  * GFP bitmasks..
  */
-/* Zone modifiers in GFP_ZONEMASK (see linux/mmzone.h - low two bits) */
+/* Zone modifiers in GFP_ZONEMASK (see linux/mmzone.h - low three bits) */
 #define __GFP_DMA	((__force gfp_t)0x01u)
 #define __GFP_HIGHMEM	((__force gfp_t)0x02u)
 #ifdef CONFIG_DMA_IS_DMA32
@@ -57,6 +57,7 @@ struct vm_area_struct;
 			__GFP_NOFAIL|__GFP_NORETRY|__GFP_NO_GROW|__GFP_COMP| \
 			__GFP_NOMEMALLOC|__GFP_HARDWALL)
 
+/* GFP_ATOMIC means both !wait (__GFP_WAIT not set) and use emergency pool */
 #define GFP_ATOMIC	(__GFP_HIGH)
 #define GFP_NOIO	(__GFP_WAIT)
 #define GFP_NOFS	(__GFP_WAIT | __GFP_IO)
@@ -74,7 +75,12 @@ struct vm_area_struct;
 #define GFP_DMA32	__GFP_DMA32
 
 
-#define gfp_zone(mask) ((__force int)((mask) & (__force gfp_t)GFP_ZONEMASK))
+static inline int gfp_zone(gfp_t gfp)
+{
+	int zone = GFP_ZONEMASK & (__force int) gfp;
+	BUG_ON(zone >= GFP_ZONETYPES);
+	return zone;
+}
 
 /*
  * There is only one page-allocator function, and two main namespaces to
@@ -104,6 +110,10 @@ static inline struct page *alloc_pages_node(int nid, gfp_t gfp_mask,
 	if (unlikely(order >= MAX_ORDER))
 		return NULL;
 
+	/* Unknown node is current node */
+	if (nid < 0)
+		nid = numa_node_id();
+
 	return __alloc_pages(gfp_mask, order,
 		NODE_DATA(nid)->node_zonelists + gfp_zone(gfp_mask));
 }
@@ -147,9 +157,9 @@ extern void FASTCALL(free_cold_page(struct page *page));
 
 void page_alloc_init(void);
 #ifdef CONFIG_NUMA
-void drain_remote_pages(void);
+void drain_node_pages(int node);
 #else
-static inline void drain_remote_pages(void) { };
+static inline void drain_node_pages(int node) { };
 #endif
 
 #endif /* __LINUX_GFP_H */