linux-kernel - Re: [PATCH v2] memcg: reduce lock time at move charge (Was Re: [PATCH 04/10] memcg: disable local interrupts in lock_page

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Message-Id: <20101012140151.767fbba6.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Tue, 12 Oct 2010 14:01:51 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Daisuke Nishimura <nishimura@....nes.nec.co.jp>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Minchan Kim <minchan.kim@...il.com>,
	Greg Thelen <gthelen@...gle.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, containers@...ts.osdl.org,
	Andrea Righi <arighi@...eler.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>
Subject: Re: [PATCH v2] memcg: reduce lock time at move charge (Was Re:
 [PATCH 04/10] memcg: disable local interrupts in lock_page_cgroup()

On Tue, 12 Oct 2010 12:56:13 +0900
Daisuke Nishimura <nishimura@....nes.nec.co.jp> wrote:

> > +err_out:
> > +	for (; mt < info + num; mt++)
> > +		if (mt->type == MC_TARGET_PAGE) {
> > +			putback_lru_page(mt->val.page);
> Is this putback_lru_page() necessary ?
> is_target_pte_for_mc() doesn't isolate the page.
> 
Unnecessary, will post v2.

I'm sorry for my low-quality patches :(

Thanks,
-Kame

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