X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;ds=sidebyside;f=include%2Flinux%2Fmemcontrol.h;h=8b1c4295848b77b6808c1f451434e02e599fffb2;hb=edbe6c325da48e707a3b31310c5ff5783cf6c0be;hp=9bbbf524ba8fec538152be167091a15d1954fad2;hpb=c7ba5c9e8176704bfac0729875fa62798037584d;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 9bbbf52..8b1c429 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -22,17 +22,23 @@
 
 struct mem_cgroup;
 struct page_cgroup;
+struct page;
+struct mm_struct;
 
-#ifdef CONFIG_CGROUP_MEM_CONT
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
 
 extern void mm_init_cgroup(struct mm_struct *mm, struct task_struct *p);
 extern void mm_free_cgroup(struct mm_struct *mm);
-extern void page_assign_page_cgroup(struct page *page,
-					struct page_cgroup *pc);
+
+#define page_reset_bad_cgroup(page)	((page)->page_cgroup = 0)
+
 extern struct page_cgroup *page_get_page_cgroup(struct page *page);
-extern int mem_cgroup_charge(struct page *page, struct mm_struct *mm);
-extern void mem_cgroup_uncharge(struct page_cgroup *pc);
-extern void mem_cgroup_move_lists(struct page_cgroup *pc, bool active);
+extern int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
+				gfp_t gfp_mask);
+extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm,
+					gfp_t gfp_mask);
+extern void mem_cgroup_uncharge_page(struct page *page);
+extern void mem_cgroup_move_lists(struct page *page, bool active);
 extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
 					struct list_head *dst,
 					unsigned long *scanned, int order,
@@ -40,13 +46,33 @@ extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
 					struct mem_cgroup *mem_cont,
 					int active);
 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);
 
-static inline void mem_cgroup_uncharge_page(struct page *page)
-{
-	mem_cgroup_uncharge(page_get_page_cgroup(page));
-}
+#define mm_match_cgroup(mm, cgroup)	\
+	((cgroup) == rcu_dereference((mm)->mem_cgroup))
+
+extern int mem_cgroup_prepare_migration(struct page *page);
+extern void mem_cgroup_end_migration(struct page *page);
+extern void mem_cgroup_page_migration(struct page *page, struct page *newpage);
 
-#else /* CONFIG_CGROUP_MEM_CONT */
+/*
+ * For memory reclaim.
+ */
+extern int mem_cgroup_calc_mapped_ratio(struct mem_cgroup *mem);
+extern long mem_cgroup_reclaim_imbalance(struct mem_cgroup *mem);
+
+extern int mem_cgroup_get_reclaim_priority(struct mem_cgroup *mem);
+extern void mem_cgroup_note_reclaim_priority(struct mem_cgroup *mem,
+							int priority);
+extern void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem,
+							int priority);
+
+extern long mem_cgroup_calc_reclaim_active(struct mem_cgroup *mem,
+				struct zone *zone, int priority);
+extern long mem_cgroup_calc_reclaim_inactive(struct mem_cgroup *mem,
+				struct zone *zone, int priority);
+
+#else /* CONFIG_CGROUP_MEM_RES_CTLR */
 static inline void mm_init_cgroup(struct mm_struct *mm,
 					struct task_struct *p)
 {
@@ -56,8 +82,7 @@ static inline void mm_free_cgroup(struct mm_struct *mm)
 {
 }
 
-static inline void page_assign_page_cgroup(struct page *page,
-						struct page_cgroup *pc)
+static inline void page_reset_bad_cgroup(struct page *page)
 {
 }
 
@@ -66,24 +91,87 @@ static inline struct page_cgroup *page_get_page_cgroup(struct page *page)
 	return NULL;
 }
 
-static inline int mem_cgroup_charge(struct page *page, struct mm_struct *mm)
+static inline int mem_cgroup_charge(struct page *page,
+					struct mm_struct *mm, gfp_t gfp_mask)
 {
 	return 0;
 }
 
-static inline void mem_cgroup_uncharge(struct page_cgroup *pc)
+static inline int mem_cgroup_cache_charge(struct page *page,
+					struct mm_struct *mm, gfp_t gfp_mask)
 {
+	return 0;
 }
 
 static inline void mem_cgroup_uncharge_page(struct page *page)
 {
 }
 
-static inline void mem_cgroup_move_lists(struct page_cgroup *pc,
-						bool active)
+static inline void mem_cgroup_move_lists(struct page *page, bool active)
+{
+}
+
+static inline int mm_match_cgroup(struct mm_struct *mm, struct mem_cgroup *mem)
+{
+	return 1;
+}
+
+static inline int task_in_mem_cgroup(struct task_struct *task,
+				     const struct mem_cgroup *mem)
+{
+	return 1;
+}
+
+static inline int mem_cgroup_prepare_migration(struct page *page)
+{
+	return 0;
+}
+
+static inline void mem_cgroup_end_migration(struct page *page)
+{
+}
+
+static inline void
+mem_cgroup_page_migration(struct page *page, struct page *newpage)
+{
+}
+
+static inline int mem_cgroup_calc_mapped_ratio(struct mem_cgroup *mem)
+{
+	return 0;
+}
+
+static inline int mem_cgroup_reclaim_imbalance(struct mem_cgroup *mem)
+{
+	return 0;
+}
+
+static inline int mem_cgroup_get_reclaim_priority(struct mem_cgroup *mem)
+{
+	return 0;
+}
+
+static inline void mem_cgroup_note_reclaim_priority(struct mem_cgroup *mem,
+						int priority)
 {
 }
 
+static inline void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem,
+						int priority)
+{
+}
+
+static inline long mem_cgroup_calc_reclaim_active(struct mem_cgroup *mem,
+					struct zone *zone, int priority)
+{
+	return 0;
+}
+
+static inline long mem_cgroup_calc_reclaim_inactive(struct mem_cgroup *mem,
+					struct zone *zone, int priority)
+{
+	return 0;
+}
 #endif /* CONFIG_CGROUP_MEM_CONT */
 
 #endif /* _LINUX_MEMCONTROL_H */