linux-kernel - Re: [RFC mm][PATCH 3/5] counting swap ents per mm

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Date:	Fri, 11 Dec 2009 09:33:14 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Christoph Lameter <cl@...ux-foundation.org>
Cc:	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	minchan.kim@...il.com, mingo@...e.hu
Subject: Re: [RFC mm][PATCH 3/5] counting swap ents per mm

On Thu, 10 Dec 2009 11:55:25 -0600 (CST)
Christoph Lameter <cl@...ux-foundation.org> wrote:

> On Thu, 10 Dec 2009, KAMEZAWA Hiroyuki wrote:
> 
> > Index: mmotm-2.6.32-Dec8/mm/rmap.c
> > ===================================================================
> > --- mmotm-2.6.32-Dec8.orig/mm/rmap.c
> > +++ mmotm-2.6.32-Dec8/mm/rmap.c
> > @@ -814,7 +814,7 @@ int try_to_unmap_one(struct page *page,
> >  	update_hiwater_rss(mm);
> >
> >  	if (PageHWPoison(page) && !(flags & TTU_IGNORE_HWPOISON)) {
> > -		if (PageAnon(page))
> > +		if (PageAnon(page)) /* Not increments swapents counter */
> >  			dec_mm_counter(mm, MM_ANONPAGES);
> 
> Remove comment. Its not helping.
> 
ok.

> Reviewed-by: Christoph Lameter <cl@...ux-foundation.org>

Thank you,
-Kame

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