From: Konstantin Khlebnikov <khlebnikov@openvz.org>
To: Hugh Dickins <hughd@google.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Johannes Weiner <hannes@cmpxchg.org>,
Andrew Morton <akpm@linux-foundation.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andi Kleen <andi@firstfloor.org>
Subject: [PATCH v3 02/21] memcg: make mm_match_cgroup() hirarchical
Date: Thu, 23 Feb 2012 17:51:46 +0400 [thread overview]
Message-ID: <20120223135146.12988.47611.stgit@zurg> (raw)
In-Reply-To: <20120223133728.12988.5432.stgit@zurg>
Check mm-owner cgroup membership hierarchically.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
---
include/linux/memcontrol.h | 11 ++---------
mm/memcontrol.c | 20 ++++++++++++++++++++
2 files changed, 22 insertions(+), 9 deletions(-)
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 8c4d74f..4822d53 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -87,15 +87,8 @@ extern struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm);
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)
-{
- struct mem_cgroup *memcg;
- rcu_read_lock();
- memcg = mem_cgroup_from_task(rcu_dereference((mm)->owner));
- rcu_read_unlock();
- return cgroup == memcg;
-}
+extern int mm_match_cgroup(const struct mm_struct *mm,
+ const struct mem_cgroup *cgroup);
extern struct cgroup_subsys_state *mem_cgroup_css(struct mem_cgroup *memcg);
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index b8039d2..77f5d48 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -821,6 +821,26 @@ struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p)
struct mem_cgroup, css);
}
+/**
+ * mm_match_cgroup - cgroup hierarchy mm membership test
+ * @mm mm_struct to test
+ * @cgroup target cgroup
+ *
+ * Returns true if mm belong this cgroup or any its child in hierarchy
+ */
+int mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *cgroup)
+{
+ struct mem_cgroup *memcg;
+
+ rcu_read_lock();
+ memcg = mem_cgroup_from_task(rcu_dereference((mm)->owner));
+ while (memcg != cgroup && memcg && memcg->use_hierarchy)
+ memcg = parent_mem_cgroup(memcg);
+ rcu_read_unlock();
+
+ return cgroup == memcg;
+}
+
struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm)
{
struct mem_cgroup *memcg = NULL;
--
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/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2012-02-23 13:51 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-23 13:51 [PATCH v3 00/21] mm: lru_lock splitting Konstantin Khlebnikov
2012-02-23 13:51 ` [PATCH v3 01/21] memcg: unify inactive_ratio calculation Konstantin Khlebnikov
2012-02-28 0:05 ` KAMEZAWA Hiroyuki
2012-02-23 13:51 ` Konstantin Khlebnikov [this message]
2012-02-23 18:03 ` [PATCH v3 02/21] memcg: make mm_match_cgroup() hirarchical Johannes Weiner
2012-02-23 19:46 ` Konstantin Khlebnikov
2012-02-23 22:06 ` Johannes Weiner
2012-02-28 0:11 ` KAMEZAWA Hiroyuki
2012-02-28 6:31 ` Konstantin Khlebnikov
2012-02-23 13:51 ` [PATCH v3 03/21] memcg: fix page_referencies cgroup filter on global reclaim Konstantin Khlebnikov
2012-02-28 0:13 ` KAMEZAWA Hiroyuki
2012-02-23 13:51 ` [PATCH v3 04/21] memcg: use vm_swappiness from target memory cgroup Konstantin Khlebnikov
2012-02-28 0:15 ` KAMEZAWA Hiroyuki
2012-02-23 13:52 ` [PATCH v3 05/21] mm: rename lruvec->lists into lruvec->pages_lru Konstantin Khlebnikov
2012-02-28 0:20 ` KAMEZAWA Hiroyuki
2012-02-28 6:04 ` Konstantin Khlebnikov
2012-02-23 13:52 ` [PATCH v3 06/21] mm: lruvec linking functions Konstantin Khlebnikov
2012-02-28 0:27 ` KAMEZAWA Hiroyuki
2012-02-28 6:09 ` Konstantin Khlebnikov
2012-02-23 13:52 ` [PATCH v3 07/21] mm: add lruvec->pages_count Konstantin Khlebnikov
2012-02-28 0:35 ` KAMEZAWA Hiroyuki
2012-02-28 6:16 ` Konstantin Khlebnikov
2012-02-23 13:52 ` [PATCH v3 08/21] mm: unify inactive_list_is_low() Konstantin Khlebnikov
2012-02-28 0:36 ` KAMEZAWA Hiroyuki
2012-02-23 13:52 ` [PATCH v3 09/21] mm: add lruvec->reclaim_stat Konstantin Khlebnikov
2012-02-28 0:38 ` KAMEZAWA Hiroyuki
2012-02-23 13:52 ` [PATCH v3 10/21] mm: kill struct mem_cgroup_zone Konstantin Khlebnikov
2012-02-28 0:41 ` KAMEZAWA Hiroyuki
2012-02-23 13:52 ` [PATCH v3 11/21] mm: move page-to-lruvec translation upper Konstantin Khlebnikov
2012-02-28 0:42 ` KAMEZAWA Hiroyuki
2012-02-23 13:52 ` [PATCH v3 12/21] mm: push lruvec into update_page_reclaim_stat() Konstantin Khlebnikov
2012-02-28 0:44 ` KAMEZAWA Hiroyuki
2012-02-23 13:52 ` [PATCH v3 13/21] mm: push lruvecs from pagevec_lru_move_fn() to iterator Konstantin Khlebnikov
2012-02-28 0:45 ` KAMEZAWA Hiroyuki
2012-02-23 13:52 ` [PATCH v3 14/21] mm: introduce lruvec locking primitives Konstantin Khlebnikov
2012-02-28 0:56 ` KAMEZAWA Hiroyuki
2012-02-28 6:23 ` Konstantin Khlebnikov
2012-02-23 13:52 ` [PATCH v3 15/21] mm: handle lruvec relocks on lumpy reclaim Konstantin Khlebnikov
2012-02-28 1:01 ` KAMEZAWA Hiroyuki
2012-02-28 6:25 ` Konstantin Khlebnikov
2012-02-23 13:52 ` [PATCH v3 16/21] mm: handle lruvec relocks in compaction Konstantin Khlebnikov
2012-02-28 1:13 ` KAMEZAWA Hiroyuki
2012-02-28 6:31 ` Konstantin Khlebnikov
2012-02-23 13:53 ` [PATCH v3 17/21] mm: handle lruvec relock in memory controller Konstantin Khlebnikov
2012-02-28 1:22 ` KAMEZAWA Hiroyuki
2012-02-23 13:53 ` [PATCH v3 18/21] mm: add to lruvec isolated pages counters Konstantin Khlebnikov
2012-02-24 5:32 ` Konstantin Khlebnikov
2012-02-28 1:38 ` KAMEZAWA Hiroyuki
2012-02-23 13:53 ` [PATCH v3 19/21] memcg: check lru vectors emptiness in pre-destroy Konstantin Khlebnikov
2012-02-28 1:43 ` KAMEZAWA Hiroyuki
2012-02-23 13:53 ` [PATCH v3 20/21] mm: split zone->lru_lock Konstantin Khlebnikov
2012-02-28 1:49 ` KAMEZAWA Hiroyuki
2012-02-28 6:39 ` Konstantin Khlebnikov
2012-02-23 13:53 ` [PATCH v3 21/21] mm: zone lru vectors interleaving Konstantin Khlebnikov
2012-02-23 14:44 ` Hillf Danton
2012-02-23 16:21 ` Andi Kleen
2012-02-23 18:48 ` [PATCH 1/2] mm: configure lruvec split by boot options Konstantin Khlebnikov
2012-02-23 18:48 ` [PATCH 2/2] mm: show zone lruvec state in /proc/zoneinfo Konstantin Khlebnikov
2012-02-25 0:05 ` [PATCH v3 00/21] mm: lru_lock splitting Tim Chen
2012-02-25 5:34 ` Konstantin Khlebnikov
2012-02-25 2:15 ` KAMEZAWA Hiroyuki
2012-02-25 5:31 ` Konstantin Khlebnikov
2012-02-26 23:54 ` KAMEZAWA Hiroyuki
2012-02-28 1:52 ` KAMEZAWA Hiroyuki
2012-02-28 6:49 ` Konstantin Khlebnikov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20120223135146.12988.47611.stgit@zurg \
--to=khlebnikov@openvz.org \
--cc=akpm@linux-foundation.org \
--cc=andi@firstfloor.org \
--cc=hannes@cmpxchg.org \
--cc=hughd@google.com \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).