projects / deliverable / linux.git / blame
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|---|---|---|
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1 | /* memcontrol.h - Memory Controller |
| 2 | * | |
| 3 | * Copyright IBM Corporation, 2007 | |
| 4 | * Author Balbir Singh <balbir@linux.vnet.ibm.com> | |
| 5 | * | |
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6 | * Copyright 2007 OpenVZ SWsoft Inc |
| 7 | * Author: Pavel Emelianov <xemul@openvz.org> | |
| 8 | * | |
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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. | |
| 13 | * | |
| 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. | |
| 18 | */ | |
| 19 | ||
| 20 | #ifndef _LINUX_MEMCONTROL_H | |
| 21 | #define _LINUX_MEMCONTROL_H | |
| 22 | ||
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23 | struct mem_cgroup; |
| 24 | struct page_cgroup; | |
| 25 | ||
| 26 | #ifdef CONFIG_CGROUP_MEM_CONT | |
| 27 | ||
| 28 | extern void mm_init_cgroup(struct mm_struct *mm, struct task_struct *p); | |
| 29 | extern void mm_free_cgroup(struct mm_struct *mm); | |
| 30 | extern void page_assign_page_cgroup(struct page *page, | |
| 31 | struct page_cgroup *pc); | |
| 32 | extern struct page_cgroup *page_get_page_cgroup(struct page *page); | |
| 33 | ||
| 34 | #else /* CONFIG_CGROUP_MEM_CONT */ | |
| 35 | static inline void mm_init_cgroup(struct mm_struct *mm, | |
| 36 | struct task_struct *p) | |
| 37 | { | |
| 38 | } | |
| 39 | ||
| 40 | static inline void mm_free_cgroup(struct mm_struct *mm) | |
| 41 | { | |
| 42 | } | |
| 43 | ||
| 44 | static inline void page_assign_page_cgroup(struct page *page, | |
| 45 | struct page_cgroup *pc) | |
| 46 | { | |
| 47 | } | |
| 48 | ||
| 49 | static inline struct page_cgroup *page_get_page_cgroup(struct page *page) | |
| 50 | { | |
| 51 | return NULL; | |
| 52 | } | |
| 53 | ||
| 54 | #endif /* CONFIG_CGROUP_MEM_CONT */ | |
| 55 | ||
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56 | #endif /* _LINUX_MEMCONTROL_H */ |
| 57 |