Commit 587af308 authored by Johannes Weiner's avatar Johannes Weiner Committed by Linus Torvalds

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.

[ mm_match_cgroup() is not a macro]
Signed-off-by: default avatarJohannes Weiner <>
Acked-by: default avatarMichal Hocko <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent 7795912c
......@@ -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;
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);
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,
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