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memcg: rename mem variable to memcg
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The memcg code sometimes uses "struct mem_cgroup *mem" and sometimes uses
"struct mem_cgroup *memcg".  Rename all mem variables to memcg in source
file.

Signed-off-by: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Raghavendra K T authored and Linus Torvalds committed Nov 2, 2011
1 parent ff7ee93 commit c0ff4b8
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Showing 2 changed files with 485 additions and 479 deletions.
34 changes: 18 additions & 16 deletions include/linux/memcontrol.h
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Original file line number Diff line number Diff line change
Expand Up @@ -78,8 +78,8 @@ 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 *mem, gfp_t gfp_mask);
int task_in_mem_cgroup(struct task_struct *task, const struct mem_cgroup *mem);
extern void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask);
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);
Expand All @@ -88,19 +88,19 @@ extern struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm);
static inline
int mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *cgroup)
{
struct mem_cgroup *mem;
struct mem_cgroup *memcg;
rcu_read_lock();
mem = mem_cgroup_from_task(rcu_dereference((mm)->owner));
memcg = mem_cgroup_from_task(rcu_dereference((mm)->owner));
rcu_read_unlock();
return cgroup == mem;
return cgroup == memcg;
}

extern struct cgroup_subsys_state *mem_cgroup_css(struct mem_cgroup *mem);
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 **ptr, gfp_t gfp_mask);
extern void mem_cgroup_end_migration(struct mem_cgroup *mem,
extern void mem_cgroup_end_migration(struct mem_cgroup *memcg,
struct page *oldpage, struct page *newpage, bool migration_ok);

/*
Expand Down Expand Up @@ -148,7 +148,7 @@ static inline void mem_cgroup_dec_page_stat(struct page *page,
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 *mem);
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
Expand Down Expand Up @@ -244,18 +244,20 @@ 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 *mem)
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 *mem)
const struct mem_cgroup *memcg)
{
return 1;
}

static inline struct cgroup_subsys_state *mem_cgroup_css(struct mem_cgroup *mem)
static inline struct cgroup_subsys_state
*mem_cgroup_css(struct mem_cgroup *memcg)
{
return NULL;
}
Expand All @@ -267,22 +269,22 @@ mem_cgroup_prepare_migration(struct page *page, struct page *newpage,
return 0;
}

static inline void mem_cgroup_end_migration(struct mem_cgroup *mem,
static inline void mem_cgroup_end_migration(struct mem_cgroup *memcg,
struct page *oldpage, struct page *newpage, bool migration_ok)
{
}

static inline int mem_cgroup_get_reclaim_priority(struct mem_cgroup *mem)
static inline int mem_cgroup_get_reclaim_priority(struct mem_cgroup *memcg)
{
return 0;
}

static inline void mem_cgroup_note_reclaim_priority(struct mem_cgroup *mem,
static inline void mem_cgroup_note_reclaim_priority(struct mem_cgroup *memcg,
int priority)
{
}

static inline void mem_cgroup_record_reclaim_priority(struct mem_cgroup *mem,
static inline void mem_cgroup_record_reclaim_priority(struct mem_cgroup *memcg,
int priority)
{
}
Expand Down Expand Up @@ -348,7 +350,7 @@ unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
}

static inline
u64 mem_cgroup_get_limit(struct mem_cgroup *mem)
u64 mem_cgroup_get_limit(struct mem_cgroup *memcg)
{
return 0;
}
Expand Down
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