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);
36 extern void mem_cgroup_uncharge(struct page_cgroup *pc);
37 extern void mem_cgroup_move_lists(struct page_cgroup *pc, bool active);
38 extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
39 struct list_head *dst,
40 unsigned long *scanned, int order,
41 int mode, struct zone *z,
42 struct mem_cgroup *mem_cont,
44 extern void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask);
45 extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm);
46 extern struct mem_cgroup *mm_cgroup(struct mm_struct *mm);
48 static inline void mem_cgroup_uncharge_page(struct page *page)
50 mem_cgroup_uncharge(page_get_page_cgroup(page));
53 #else /* CONFIG_CGROUP_MEM_CONT */
54 static inline void mm_init_cgroup(struct mm_struct *mm,
55 struct task_struct *p)
59 static inline void mm_free_cgroup(struct mm_struct *mm)
63 static inline void page_assign_page_cgroup(struct page *page,
64 struct page_cgroup *pc)
68 static inline struct page_cgroup *page_get_page_cgroup(struct page *page)
73 static inline int mem_cgroup_charge(struct page *page, struct mm_struct *mm)
78 static inline void mem_cgroup_uncharge(struct page_cgroup *pc)
82 static inline void mem_cgroup_uncharge_page(struct page *page)
86 static inline void mem_cgroup_move_lists(struct page_cgroup *pc,
91 static inline int mem_cgroup_cache_charge(struct page *page,
97 static inline struct mem_cgroup *mm_cgroup(struct mm_struct *mm)
102 #endif /* CONFIG_CGROUP_MEM_CONT */
104 #endif /* _LINUX_MEMCONTROL_H */