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);
47 static inline void mem_cgroup_uncharge_page(struct page *page)
49 mem_cgroup_uncharge(page_get_page_cgroup(page));
52 #else /* CONFIG_CGROUP_MEM_CONT */
53 static inline void mm_init_cgroup(struct mm_struct *mm,
54 struct task_struct *p)
58 static inline void mm_free_cgroup(struct mm_struct *mm)
62 static inline void page_assign_page_cgroup(struct page *page,
63 struct page_cgroup *pc)
67 static inline struct page_cgroup *page_get_page_cgroup(struct page *page)
72 static inline int mem_cgroup_charge(struct page *page, struct mm_struct *mm)
77 static inline void mem_cgroup_uncharge(struct page_cgroup *pc)
81 static inline void mem_cgroup_uncharge_page(struct page *page)
85 static inline void mem_cgroup_move_lists(struct page_cgroup *pc,
90 static inline int mem_cgroup_cache_charge(struct page *page,
96 #endif /* CONFIG_CGROUP_MEM_CONT */
98 #endif /* _LINUX_MEMCONTROL_H */