linux-kernel - Re: [RFC] memory hotremove patch take 2 [01/10] (counter of removable page)

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Message-Id: <20070511100851.f7d18ae8.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Fri, 11 May 2007 10:08:51 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	y-goto@...fujitsu.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, akpm@...l.org, clameter@....com,
	mel@....ul.ie
Subject: Re: [RFC] memory hotremove patch take 2 [01/10] (counter of
 removable page)

On 10 May 2007 15:44:08 +0200
Andi Kleen <andi@...stfloor.org> wrote:

> Yasunori Goto <y-goto@...fujitsu.com> writes:
> 
> 
> (not a full review, just something I noticed)
> > @@ -352,6 +352,8 @@ struct sysinfo {
> >  	unsigned short pad;		/* explicit padding for m68k */
> >  	unsigned long totalhigh;	/* Total high memory size */
> >  	unsigned long freehigh;		/* Available high memory size */
> > +	unsigned long movable;		/* pages used only for data */
> > +	unsigned long free_movable;	/* Avaiable pages in movable */
> 
> You can't just change that structure, it is exported to user space.
> 
Okay. We'll drop this.

Thanks,
-Kame

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