Merge branch develop-3.10

[firefly-linux-kernel-4.4.55.git] / include / linux / gfp.h

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index d0a79678f169f8c9a7675e4343419975cbb29142..0f615eb23d054a85ec832d0840ca305ecdb97b6f 100644 (file)
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -30,10 +30,12 @@ struct vm_area_struct;
 #define ___GFP_HARDWALL                0x20000u
 #define ___GFP_THISNODE                0x40000u
 #define ___GFP_RECLAIMABLE     0x80000u
+#define ___GFP_KMEMCG          0x100000u
 #define ___GFP_NOTRACK         0x200000u
 #define ___GFP_NO_KSWAPD       0x400000u
 #define ___GFP_OTHER_NODE      0x800000u
 #define ___GFP_WRITE           0x1000000u
+/* If the above are modified, __GFP_BITS_SHIFT may need updating */
 
 /*
  * GFP bitmasks..
@@ -88,6 +90,7 @@ struct vm_area_struct;
 
 #define __GFP_NO_KSWAPD        ((__force gfp_t)___GFP_NO_KSWAPD)
 #define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* On behalf of other node */
+#define __GFP_KMEMCG   ((__force gfp_t)___GFP_KMEMCG) /* Allocation comes from a memcg-accounted resource */
 #define __GFP_WRITE    ((__force gfp_t)___GFP_WRITE)   /* Allocator intends to dirty page */
 
 /*
@@ -266,7 +269,7 @@ static inline enum zone_type gfp_zone(gfp_t flags)
 
 static inline int gfp_zonelist(gfp_t flags)
 {
-       if (NUMA_BUILD && unlikely(flags & __GFP_THISNODE))
+       if (IS_ENABLED(CONFIG_NUMA) && unlikely(flags & __GFP_THISNODE))
                return 1;
 
        return 0;
@@ -364,6 +367,9 @@ extern void free_pages(unsigned long addr, unsigned int order);
 extern void free_hot_cold_page(struct page *page, int cold);
 extern void free_hot_cold_page_list(struct list_head *list, int cold);
 
+extern void __free_memcg_kmem_pages(struct page *page, unsigned int order);
+extern void free_memcg_kmem_pages(unsigned long addr, unsigned int order);
+
 #define __free_page(page) __free_pages((page), 0)
 #define free_page(addr) free_pages((addr), 0)