Merge branch 'apei-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb...

[pandora-kernel.git] / include / linux / memcontrol.h

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 50940da..3b535db 100644 (file)
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -39,6 +39,16 @@ extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
                                        struct mem_cgroup *mem_cont,
                                        int active, int file);
 
+struct memcg_scanrecord {
+       struct mem_cgroup *mem; /* scanend memory cgroup */
+       struct mem_cgroup *root; /* scan target hierarchy root */
+       int context;            /* scanning context (see memcontrol.c) */
+       unsigned long nr_scanned[2]; /* the number of scanned pages */
+       unsigned long nr_rotated[2]; /* the number of rotated pages */
+       unsigned long nr_freed[2]; /* the number of freed pages */
+       unsigned long elapsed; /* nsec of time elapsed while scanning */
+};
+
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR
 /*
  * All "charge" functions with gfp_mask should use GFP_KERNEL or
@@ -76,8 +86,6 @@ extern void mem_cgroup_uncharge_end(void);
 
 extern void mem_cgroup_uncharge_page(struct page *page);
 extern void mem_cgroup_uncharge_cache_page(struct page *page);
-extern int mem_cgroup_shmem_charge_fallback(struct page *page,
-                       struct mm_struct *mm, gfp_t gfp_mask);
 
 extern void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask);
 int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem);
@@ -111,8 +119,7 @@ int mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg);
 int mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg);
 int mem_cgroup_select_victim_node(struct mem_cgroup *memcg);
 unsigned long mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg,
-                                               struct zone *zone,
-                                               enum lru_list lru);
+                                       int nid, int zid, unsigned int lrumask);
 struct zone_reclaim_stat *mem_cgroup_get_reclaim_stat(struct mem_cgroup *memcg,
                                                      struct zone *zone);
 struct zone_reclaim_stat*
@@ -120,6 +127,15 @@ mem_cgroup_get_reclaim_stat_from_page(struct page *page);
 extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
                                        struct task_struct *p);
 
+extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem,
+                                                 gfp_t gfp_mask, bool noswap,
+                                                 struct memcg_scanrecord *rec);
+extern unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
+                                               gfp_t gfp_mask, bool noswap,
+                                               struct zone *zone,
+                                               struct memcg_scanrecord *rec,
+                                               unsigned long *nr_scanned);
+
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
 extern int do_swap_account;
 #endif
@@ -207,12 +223,6 @@ static inline void mem_cgroup_uncharge_cache_page(struct page *page)
 {
 }
 
-static inline int mem_cgroup_shmem_charge_fallback(struct page *page,
-                       struct mm_struct *mm, gfp_t gfp_mask)
-{
-       return 0;
-}
-
 static inline void mem_cgroup_add_lru_list(struct page *page, int lru)
 {
 }
@@ -313,8 +323,8 @@ mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg)
 }
 
 static inline unsigned long
-mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, struct zone *zone,
-                            enum lru_list lru)
+mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, int nid, int zid,
+                               unsigned int lru_mask)
 {
        return 0;
 }