1 /* memcontrol.h - Memory Controller
3 * Copyright IBM Corporation, 2007
4 * Author Balbir Singh <balbir@linux.vnet.ibm.com>
6 * Copyright 2007 OpenVZ SWsoft Inc
7 * Author: Pavel Emelianov <xemul@openvz.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
20 #ifndef _LINUX_MEMCONTROL_H
21 #define _LINUX_MEMCONTROL_H
28 #ifdef CONFIG_CGROUP_MEM_CONT
30 extern void mm_init_cgroup(struct mm_struct *mm, struct task_struct *p);
31 extern void mm_free_cgroup(struct mm_struct *mm);
32 extern void page_assign_page_cgroup(struct page *page,
33 struct page_cgroup *pc);
34 extern struct page_cgroup *page_get_page_cgroup(struct page *page);
35 extern int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
37 extern void mem_cgroup_uncharge(struct page_cgroup *pc);
38 extern void mem_cgroup_uncharge_page(struct page *page);
39 extern void mem_cgroup_move_lists(struct page_cgroup *pc, bool active);
40 extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
41 struct list_head *dst,
42 unsigned long *scanned, int order,
43 int mode, struct zone *z,
44 struct mem_cgroup *mem_cont,
46 extern void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask);
47 extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm,
49 int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem);
51 #define vm_match_cgroup(mm, cgroup) \
52 ((cgroup) == rcu_dereference((mm)->mem_cgroup))
54 extern int mem_cgroup_prepare_migration(struct page *page);
55 extern void mem_cgroup_end_migration(struct page *page);
56 extern void mem_cgroup_page_migration(struct page *page, struct page *newpage);
61 extern int mem_cgroup_calc_mapped_ratio(struct mem_cgroup *mem);
62 extern long mem_cgroup_reclaim_imbalance(struct mem_cgroup *mem);
64 extern int mem_cgroup_get_reclaim_priority(struct mem_cgroup *mem);
65 extern void mem_cgroup_note_reclaim_priority(struct mem_cgroup *mem,
67 extern void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem,
70 extern long mem_cgroup_calc_reclaim_active(struct mem_cgroup *mem,
71 struct zone *zone, int priority);
72 extern long mem_cgroup_calc_reclaim_inactive(struct mem_cgroup *mem,
73 struct zone *zone, int priority);
75 #else /* CONFIG_CGROUP_MEM_CONT */
76 static inline void mm_init_cgroup(struct mm_struct *mm,
77 struct task_struct *p)
81 static inline void mm_free_cgroup(struct mm_struct *mm)
85 static inline void page_assign_page_cgroup(struct page *page,
86 struct page_cgroup *pc)
90 static inline struct page_cgroup *page_get_page_cgroup(struct page *page)
95 static inline int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
101 static inline void mem_cgroup_uncharge(struct page_cgroup *pc)
105 static inline void mem_cgroup_uncharge_page(struct page *page)
109 static inline void mem_cgroup_move_lists(struct page_cgroup *pc,
114 static inline int mem_cgroup_cache_charge(struct page *page,
115 struct mm_struct *mm,
121 static inline int vm_match_cgroup(struct mm_struct *mm, struct mem_cgroup *mem)
126 static inline int task_in_mem_cgroup(struct task_struct *task,
127 const struct mem_cgroup *mem)
132 static inline int mem_cgroup_prepare_migration(struct page *page)
137 static inline void mem_cgroup_end_migration(struct page *page)
142 mem_cgroup_page_migration(struct page *page, struct page *newpage)
146 static inline int mem_cgroup_calc_mapped_ratio(struct mem_cgroup *mem)
151 static inline int mem_cgroup_reclaim_imbalance(struct mem_cgroup *mem)
156 static inline int mem_cgroup_get_reclaim_priority(struct mem_cgroup *mem)
161 static inline void mem_cgroup_note_reclaim_priority(struct mem_cgroup *mem,
166 static inline void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem,
171 static inline long mem_cgroup_calc_reclaim_active(struct mem_cgroup *mem,
172 struct zone *zone, int priority)
177 static inline long mem_cgroup_calc_reclaim_inactive(struct mem_cgroup *mem,
178 struct zone *zone, int priority)
182 #endif /* CONFIG_CGROUP_MEM_CONT */
184 #endif /* _LINUX_MEMCONTROL_H */