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>
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 8d9489f..fd0e6d5 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -84,14 +84,14 @@
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 @@
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,