diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/memcontrol.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/memcontrol.h | 452 |
1 files changed, 0 insertions, 452 deletions
diff --git a/ANDROID_3.4.5/include/linux/memcontrol.h b/ANDROID_3.4.5/include/linux/memcontrol.h deleted file mode 100644 index f94efd2f..00000000 --- a/ANDROID_3.4.5/include/linux/memcontrol.h +++ /dev/null @@ -1,452 +0,0 @@ -/* memcontrol.h - Memory Controller - * - * Copyright IBM Corporation, 2007 - * Author Balbir Singh <balbir@linux.vnet.ibm.com> - * - * Copyright 2007 OpenVZ SWsoft Inc - * Author: Pavel Emelianov <xemul@openvz.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef _LINUX_MEMCONTROL_H -#define _LINUX_MEMCONTROL_H -#include <linux/cgroup.h> -#include <linux/vm_event_item.h> - -struct mem_cgroup; -struct page_cgroup; -struct page; -struct mm_struct; - -/* Stats that can be updated by kernel. */ -enum mem_cgroup_page_stat_item { - MEMCG_NR_FILE_MAPPED, /* # of pages charged as file rss */ -}; - -struct mem_cgroup_reclaim_cookie { - struct zone *zone; - int priority; - unsigned int generation; -}; - -#ifdef CONFIG_CGROUP_MEM_RES_CTLR -/* - * All "charge" functions with gfp_mask should use GFP_KERNEL or - * (gfp_mask & GFP_RECLAIM_MASK). In current implementatin, memcg doesn't - * alloc memory but reclaims memory from all available zones. So, "where I want - * memory from" bits of gfp_mask has no meaning. So any bits of that field is - * available but adding a rule is better. charge functions' gfp_mask should - * be set to GFP_KERNEL or gfp_mask & GFP_RECLAIM_MASK for avoiding ambiguous - * codes. - * (Of course, if memcg does memory allocation in future, GFP_KERNEL is sane.) - */ - -extern int mem_cgroup_newpage_charge(struct page *page, struct mm_struct *mm, - gfp_t gfp_mask); -/* for swap handling */ -extern int mem_cgroup_try_charge_swapin(struct mm_struct *mm, - struct page *page, gfp_t mask, struct mem_cgroup **memcgp); -extern void mem_cgroup_commit_charge_swapin(struct page *page, - struct mem_cgroup *memcg); -extern void mem_cgroup_cancel_charge_swapin(struct mem_cgroup *memcg); - -extern int mem_cgroup_cache_charge(struct page *page, struct mm_struct *mm, - gfp_t gfp_mask); - -struct lruvec *mem_cgroup_zone_lruvec(struct zone *, struct mem_cgroup *); -struct lruvec *mem_cgroup_lru_add_list(struct zone *, struct page *, - enum lru_list); -void mem_cgroup_lru_del_list(struct page *, enum lru_list); -void mem_cgroup_lru_del(struct page *); -struct lruvec *mem_cgroup_lru_move_lists(struct zone *, struct page *, - enum lru_list, enum lru_list); - -/* For coalescing uncharge for reducing memcg' overhead*/ -extern void mem_cgroup_uncharge_start(void); -extern void mem_cgroup_uncharge_end(void); - -extern void mem_cgroup_uncharge_page(struct page *page); -extern void mem_cgroup_uncharge_cache_page(struct page *page); - -extern void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask, - int order); -int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *memcg); - -extern struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page); -extern struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p); -extern struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm); - -extern struct mem_cgroup *parent_mem_cgroup(struct mem_cgroup *memcg); -extern struct mem_cgroup *mem_cgroup_from_cont(struct cgroup *cont); - -static inline -int mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *cgroup) -{ - struct mem_cgroup *memcg; - rcu_read_lock(); - memcg = mem_cgroup_from_task(rcu_dereference((mm)->owner)); - rcu_read_unlock(); - return cgroup == memcg; -} - -extern struct cgroup_subsys_state *mem_cgroup_css(struct mem_cgroup *memcg); - -extern int -mem_cgroup_prepare_migration(struct page *page, - struct page *newpage, struct mem_cgroup **memcgp, gfp_t gfp_mask); -extern void mem_cgroup_end_migration(struct mem_cgroup *memcg, - struct page *oldpage, struct page *newpage, bool migration_ok); - -struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *, - struct mem_cgroup *, - struct mem_cgroup_reclaim_cookie *); -void mem_cgroup_iter_break(struct mem_cgroup *, struct mem_cgroup *); - -/* - * For memory reclaim. - */ -int mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg, - struct zone *zone); -int mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg, - struct zone *zone); -int mem_cgroup_select_victim_node(struct mem_cgroup *memcg); -unsigned long mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, - int nid, int zid, unsigned int lrumask); -struct zone_reclaim_stat *mem_cgroup_get_reclaim_stat(struct mem_cgroup *memcg, - struct zone *zone); -struct zone_reclaim_stat* -mem_cgroup_get_reclaim_stat_from_page(struct page *page); -extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg, - struct task_struct *p); -extern void mem_cgroup_replace_page_cache(struct page *oldpage, - struct page *newpage); - -#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP -extern int do_swap_account; -#endif - -static inline bool mem_cgroup_disabled(void) -{ - if (mem_cgroup_subsys.disabled) - return true; - return false; -} - -void __mem_cgroup_begin_update_page_stat(struct page *page, bool *locked, - unsigned long *flags); - -extern atomic_t memcg_moving; - -static inline void mem_cgroup_begin_update_page_stat(struct page *page, - bool *locked, unsigned long *flags) -{ - if (mem_cgroup_disabled()) - return; - rcu_read_lock(); - *locked = false; - if (atomic_read(&memcg_moving)) - __mem_cgroup_begin_update_page_stat(page, locked, flags); -} - -void __mem_cgroup_end_update_page_stat(struct page *page, - unsigned long *flags); -static inline void mem_cgroup_end_update_page_stat(struct page *page, - bool *locked, unsigned long *flags) -{ - if (mem_cgroup_disabled()) - return; - if (*locked) - __mem_cgroup_end_update_page_stat(page, flags); - rcu_read_unlock(); -} - -void mem_cgroup_update_page_stat(struct page *page, - enum mem_cgroup_page_stat_item idx, - int val); - -static inline void mem_cgroup_inc_page_stat(struct page *page, - enum mem_cgroup_page_stat_item idx) -{ - mem_cgroup_update_page_stat(page, idx, 1); -} - -static inline void mem_cgroup_dec_page_stat(struct page *page, - enum mem_cgroup_page_stat_item idx) -{ - mem_cgroup_update_page_stat(page, idx, -1); -} - -unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, - gfp_t gfp_mask, - unsigned long *total_scanned); -u64 mem_cgroup_get_limit(struct mem_cgroup *memcg); - -void mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx); -#ifdef CONFIG_TRANSPARENT_HUGEPAGE -void mem_cgroup_split_huge_fixup(struct page *head); -#endif - -#ifdef CONFIG_DEBUG_VM -bool mem_cgroup_bad_page_check(struct page *page); -void mem_cgroup_print_bad_page(struct page *page); -#endif -#else /* CONFIG_CGROUP_MEM_RES_CTLR */ -struct mem_cgroup; - -static inline int mem_cgroup_newpage_charge(struct page *page, - struct mm_struct *mm, gfp_t gfp_mask) -{ - return 0; -} - -static inline int mem_cgroup_cache_charge(struct page *page, - struct mm_struct *mm, gfp_t gfp_mask) -{ - return 0; -} - -static inline int mem_cgroup_try_charge_swapin(struct mm_struct *mm, - struct page *page, gfp_t gfp_mask, struct mem_cgroup **memcgp) -{ - return 0; -} - -static inline void mem_cgroup_commit_charge_swapin(struct page *page, - struct mem_cgroup *memcg) -{ -} - -static inline void mem_cgroup_cancel_charge_swapin(struct mem_cgroup *memcg) -{ -} - -static inline void mem_cgroup_uncharge_start(void) -{ -} - -static inline void mem_cgroup_uncharge_end(void) -{ -} - -static inline void mem_cgroup_uncharge_page(struct page *page) -{ -} - -static inline void mem_cgroup_uncharge_cache_page(struct page *page) -{ -} - -static inline struct lruvec *mem_cgroup_zone_lruvec(struct zone *zone, - struct mem_cgroup *memcg) -{ - return &zone->lruvec; -} - -static inline struct lruvec *mem_cgroup_lru_add_list(struct zone *zone, - struct page *page, - enum lru_list lru) -{ - return &zone->lruvec; -} - -static inline void mem_cgroup_lru_del_list(struct page *page, enum lru_list lru) -{ -} - -static inline void mem_cgroup_lru_del(struct page *page) -{ -} - -static inline struct lruvec *mem_cgroup_lru_move_lists(struct zone *zone, - struct page *page, - enum lru_list from, - enum lru_list to) -{ - return &zone->lruvec; -} - -static inline struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page) -{ - return NULL; -} - -static inline struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm) -{ - return NULL; -} - -static inline int mm_match_cgroup(struct mm_struct *mm, - struct mem_cgroup *memcg) -{ - return 1; -} - -static inline int task_in_mem_cgroup(struct task_struct *task, - const struct mem_cgroup *memcg) -{ - return 1; -} - -static inline struct cgroup_subsys_state - *mem_cgroup_css(struct mem_cgroup *memcg) -{ - return NULL; -} - -static inline int -mem_cgroup_prepare_migration(struct page *page, struct page *newpage, - struct mem_cgroup **memcgp, gfp_t gfp_mask) -{ - return 0; -} - -static inline void mem_cgroup_end_migration(struct mem_cgroup *memcg, - struct page *oldpage, struct page *newpage, bool migration_ok) -{ -} - -static inline struct mem_cgroup * -mem_cgroup_iter(struct mem_cgroup *root, - struct mem_cgroup *prev, - struct mem_cgroup_reclaim_cookie *reclaim) -{ - return NULL; -} - -static inline void mem_cgroup_iter_break(struct mem_cgroup *root, - struct mem_cgroup *prev) -{ -} - -static inline bool mem_cgroup_disabled(void) -{ - return true; -} - -static inline int -mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg, struct zone *zone) -{ - return 1; -} - -static inline int -mem_cgroup_inactive_file_is_low(struct mem_cgroup *memcg, struct zone *zone) -{ - return 1; -} - -static inline unsigned long -mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, int nid, int zid, - unsigned int lru_mask) -{ - return 0; -} - - -static inline struct zone_reclaim_stat* -mem_cgroup_get_reclaim_stat(struct mem_cgroup *memcg, struct zone *zone) -{ - return NULL; -} - -static inline struct zone_reclaim_stat* -mem_cgroup_get_reclaim_stat_from_page(struct page *page) -{ - return NULL; -} - -static inline void -mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p) -{ -} - -static inline void mem_cgroup_begin_update_page_stat(struct page *page, - bool *locked, unsigned long *flags) -{ -} - -static inline void mem_cgroup_end_update_page_stat(struct page *page, - bool *locked, unsigned long *flags) -{ -} - -static inline void mem_cgroup_inc_page_stat(struct page *page, - enum mem_cgroup_page_stat_item idx) -{ -} - -static inline void mem_cgroup_dec_page_stat(struct page *page, - enum mem_cgroup_page_stat_item idx) -{ -} - -static inline -unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, - gfp_t gfp_mask, - unsigned long *total_scanned) -{ - return 0; -} - -static inline -u64 mem_cgroup_get_limit(struct mem_cgroup *memcg) -{ - return 0; -} - -static inline void mem_cgroup_split_huge_fixup(struct page *head) -{ -} - -static inline -void mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx) -{ -} -static inline void mem_cgroup_replace_page_cache(struct page *oldpage, - struct page *newpage) -{ -} -#endif /* CONFIG_CGROUP_MEM_RES_CTLR */ - -#if !defined(CONFIG_CGROUP_MEM_RES_CTLR) || !defined(CONFIG_DEBUG_VM) -static inline bool -mem_cgroup_bad_page_check(struct page *page) -{ - return false; -} - -static inline void -mem_cgroup_print_bad_page(struct page *page) -{ -} -#endif - -enum { - UNDER_LIMIT, - SOFT_LIMIT, - OVER_LIMIT, -}; - -struct sock; -#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM -void sock_update_memcg(struct sock *sk); -void sock_release_memcg(struct sock *sk); -#else -static inline void sock_update_memcg(struct sock *sk) -{ -} -static inline void sock_release_memcg(struct sock *sk) -{ -} -#endif /* CONFIG_CGROUP_MEM_RES_CTLR_KMEM */ -#endif /* _LINUX_MEMCONTROL_H */ - |