linux-kernel - Re: [PATCH 0/12] memcg updates v5

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Message-Id: <20080926120019.33d58ca4.nishimura@mxp.nes.nec.co.jp>
Date:	Fri, 26 Sep 2008 12:00:19 +0900
From:	Daisuke Nishimura <nishimura@....nes.nec.co.jp>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	nishimura@....nes.nec.co.jp,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"balbir@...ux.vnet.ibm.com" <balbir@...ux.vnet.ibm.com>,
	"xemul@...nvz.org" <xemul@...nvz.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Dave Hansen <haveblue@...ibm.com>, ryov@...inux.co.jp
Subject: Re: [PATCH 0/12] memcg updates v5

On Fri, 26 Sep 2008 12:04:08 +0900, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote:
> On Fri, 26 Sep 2008 11:58:10 +0900
> KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote:
> 
> > Thank you.
> > 
> > How about following ?
> > -Kame
> > ==
> > Index: mmotm-2.6.27-rc7+/mm/memcontrol.c
> > ===================================================================
> > --- mmotm-2.6.27-rc7+.orig/mm/memcontrol.c
> > +++ mmotm-2.6.27-rc7+/mm/memcontrol.c
> > @@ -597,8 +597,8 @@ __set_page_cgroup_lru(struct memcg_percp
> >  			spin_lock(&mz->lru_lock);
> >  		}
> >  		if (PageCgroupUsed(pc) && !PageCgroupLRU(pc)) {
> > -			SetPageCgroupLRU(pc);
> >  			__mem_cgroup_add_list(mz, pc);
> > +			SetPageCgroupLRU(pc);
> >  		}
> >  	}
> >  
> Of course, remove side should be..
> -Kame
> ==
> Index: mmotm-2.6.27-rc7+/mm/memcontrol.c
> ===================================================================
> --- mmotm-2.6.27-rc7+.orig/mm/memcontrol.c
> +++ mmotm-2.6.27-rc7+/mm/memcontrol.c
> @@ -564,8 +564,8 @@ __release_page_cgroup(struct memcg_percp
>  			spin_lock(&mz->lru_lock);
>  		}
>  		if (!PageCgroupUsed(pc) && PageCgroupLRU(pc)) {
> -			__mem_cgroup_remove_list(mz, pc);
>  			ClearPageCgroupLRU(pc);
> +			__mem_cgroup_remove_list(mz, pc);
>  		}
>  	}
>  	if (prev_mz)
> @@ -597,8 +597,8 @@ __set_page_cgroup_lru(struct memcg_percp
>  			spin_lock(&mz->lru_lock);
>  		}
>  		if (PageCgroupUsed(pc) && !PageCgroupLRU(pc)) {
> -			SetPageCgroupLRU(pc);
>  			__mem_cgroup_add_list(mz, pc);
> +			SetPageCgroupLRU(pc);
>  		}
>  	}
>  
> 

I'll test it with updated version of 9-11 and report you back.


Thanks,
Daisuke Nishimura.
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