#ifndef _LINUX_MEMCONTROL_H
#define _LINUX_MEMCONTROL_H
-#include <linux/rcupdate.h>
-#include <linux/mm.h>
-
struct mem_cgroup;
struct page_cgroup;
struct page;
struct mm_struct;
-#ifdef CONFIG_CGROUP_MEM_CONT
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+
+#define page_reset_bad_cgroup(page) ((page)->page_cgroup = 0)
-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);
extern struct page_cgroup *page_get_page_cgroup(struct page *page);
extern int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
gfp_t gfp_mask);
-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_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,
struct mem_cgroup *mem_cont,
int active);
extern void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask);
-extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm,
- gfp_t gfp_mask);
int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem);
-static inline struct mem_cgroup *mm_cgroup(const struct mm_struct *mm)
-{
- return rcu_dereference(mm->mem_cgroup);
-}
+extern struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p);
-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) == mem_cgroup_from_task((mm)->owner))
extern int mem_cgroup_prepare_migration(struct page *page);
extern void mem_cgroup_end_migration(struct page *page);
extern long mem_cgroup_calc_reclaim_inactive(struct mem_cgroup *mem,
struct zone *zone, int priority);
-#else /* CONFIG_CGROUP_MEM_CONT */
-static inline void mm_init_cgroup(struct mm_struct *mm,
- struct task_struct *p)
-{
-}
-
-static inline void mm_free_cgroup(struct mm_struct *mm)
-{
-}
-
-static inline void page_assign_page_cgroup(struct page *page,
- struct page_cgroup *pc)
+#else /* CONFIG_CGROUP_MEM_RES_CTLR */
+static inline void page_reset_bad_cgroup(struct page *page)
{
}
return NULL;
}
-static inline int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
- gfp_t gfp_mask)
+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 mem_cgroup_cache_charge(struct page *page,
- struct mm_struct *mm,
- gfp_t gfp_mask)
+static inline int mm_match_cgroup(struct mm_struct *mm, struct mem_cgroup *mem)
{
- return 0;
-}
-
-static inline struct mem_cgroup *mm_cgroup(const struct mm_struct *mm)
-{
- return NULL;
+ return 1;
}
static inline int task_in_mem_cgroup(struct task_struct *task,