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mm: memcg: clean up mm_match_cgroup() signature 

It really should return a boolean for match/no match.  And since it takes
a memcg, not a cgroup, fix that parameter name as well.

[akpm@linux-foundation.org: mm_match_cgroup() is not a macro]
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
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>
This commit is contained in:
Johannes Weiner 2012-10-08 16:34:12 -07:00 committed by Linus Torvalds
parent 7795912c25
commit 587af308cc
1 changed files with 7 additions and 7 deletions
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14
include/linux/memcontrol.h
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@ -84,14 +84,14 @@ 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)
bool mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *memcg)
{
struct mem_cgroup *memcg;
int match;
struct mem_cgroup *task_memcg;
bool match;
rcu_read_lock();
memcg = mem_cgroup_from_task(rcu_dereference((mm)->owner));
match = __mem_cgroup_same_or_subtree(cgroup, memcg);
task_memcg = mem_cgroup_from_task(rcu_dereference(mm->owner));
match = __mem_cgroup_same_or_subtree(memcg, task_memcg);
rcu_read_unlock();
return match;
}
@ -258,10 +258,10 @@ 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,
static inline bool mm_match_cgroup(struct mm_struct *mm,
struct mem_cgroup *memcg)
{
return 1;
return true;
}
static inline int task_in_mem_cgroup(struct task_struct *task,