From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx188.postini.com [74.125.245.188]) by kanga.kvack.org (Postfix) with SMTP id ADCE76B012C for ; Thu, 4 Oct 2012 14:09:31 -0400 (EDT) From: Johannes Weiner Subject: [patch 2/2] mm: memcg: clean up mm_match_cgroup() signature Date: Thu, 4 Oct 2012 14:09:17 -0400 Message-Id: <1349374157-20604-3-git-send-email-hannes@cmpxchg.org> In-Reply-To: <1349374157-20604-1-git-send-email-hannes@cmpxchg.org> References: <1349374157-20604-1-git-send-email-hannes@cmpxchg.org> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Michal Hocko , Konstantin Khlebnikov , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org 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. Signed-off-by: Johannes Weiner Acked-by: Michal Hocko --- include/linux/memcontrol.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 8686294..7698182 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -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 = memcg && __mem_cgroup_same_or_subtree(cgroup, memcg); + task_memcg = mem_cgroup_from_task(rcu_dereference((mm)->owner)); + match = task_memcg && __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, -- 1.7.11.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org