From: Johannes Weiner <hannes@cmpxchg.org>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Linux Kernel <linux-kernel@vger.kernel.org>,
"cgroups@vger.kernel.org" <cgroups@vger.kernel.org>,
Hugh Dickins <hughd@google.com>,
"n-horiguchi@ah.jp.nec.com" <n-horiguchi@ah.jp.nec.com>,
Michal Hocko <mhocko@suse.cz>,
Glauber Costa <glommer@parallels.com>
Subject: Re: [PATCH] memcg: change behavior of moving charges at task move
Date: Fri, 23 Mar 2012 09:53:01 +0100 [thread overview]
Message-ID: <20120323085301.GA1739@cmpxchg.org> (raw)
In-Reply-To: <4F6BC94C.80301@jp.fujitsu.com>
On Fri, Mar 23, 2012 at 09:52:28AM +0900, KAMEZAWA Hiroyuki wrote:
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index b2ee6df..ca8b3a1 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -5147,7 +5147,7 @@ static struct page *mc_handle_present_pte(struct vm_area_struct *vma,
> return NULL;
> if (PageAnon(page)) {
> /* we don't move shared anon */
> - if (!move_anon() || page_mapcount(page) > 2)
> + if (!move_anon())
> return NULL;
> } else if (!move_file())
> /* we ignore mapcount for file pages */
> @@ -5158,26 +5158,32 @@ static struct page *mc_handle_present_pte(struct vm_area_struct *vma,
> return page;
> }
>
> +#ifdef CONFFIG_SWAP
That will probably disable it for good :)
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next prev parent reply other threads:[~2012-03-23 8:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-21 9:52 [PATCH] memcg: change behavior of moving charges at task move KAMEZAWA Hiroyuki
2012-03-22 15:17 ` Naoya Horiguchi
2012-03-22 21:29 ` Andrew Morton
2012-03-23 0:05 ` KAMEZAWA Hiroyuki
2012-03-22 21:36 ` Andrew Morton
2012-03-23 0:18 ` KAMEZAWA Hiroyuki
2012-03-23 0:30 ` Andrew Morton
2012-03-23 0:52 ` KAMEZAWA Hiroyuki
2012-03-23 8:53 ` Johannes Weiner [this message]
2012-03-23 9:00 ` KAMEZAWA Hiroyuki
2012-03-23 9:45 ` Michal Hocko
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