linux-kernel - Re: [RFC][PATCH 1/5] memcg : force

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Message-Id: <20081104152551.28851a7b.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Tue, 4 Nov 2008 15:25:51 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Paul Menage <menage@...gle.com>
Cc:	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"balbir@...ux.vnet.ibm.com" <balbir@...ux.vnet.ibm.com>,
	"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>,
	hugh@...itas.com, taka@...inux.co.jp
Subject: Re: [RFC][PATCH 1/5] memcg : force_empty to do move account

On Mon, 3 Nov 2008 22:23:11 -0800
Paul Menage <menage@...gle.com> wrote:

> On Mon, Nov 3, 2008 at 10:17 PM, KAMEZAWA Hiroyuki
> <kamezawa.hiroyu@...fujitsu.com> wrote:
> >> >
> >> >        mem = memcg;
> >> > -       ret = mem_cgroup_try_charge(mm, gfp_mask, &mem);
> >> > +       ret = __mem_cgroup_try_charge(mm, gfp_mask, &mem, true);
> >>
> >> Isn't this the same as the definition of mem_cgroup_try_charge()? So
> >> you could leave it as-is?
> >>
> > try_charge is called by other places....swapin.
> >
> 
> No, I mean here you can call mem_cgroup_try_charge(...) rather than
> __mem_cgroup_try_charge(..., true).
> 

you're right. will remove this change.

Thanks,
-Kame

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