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

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Message-ID: <p73bqgsg5ef.fsf@bingen.suse.de>
Date:	10 May 2007 15:44:08 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Yasunori Goto <y-goto@...fujitsu.com>
Cc:	linux-mm <linux-mm@...ck.org>,
	Linux Kernel ML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>,
	Christoph Lameter <clameter@....com>,
	Mel Gorman <mel@....ul.ie>
Subject: Re: [RFC] memory hotremove patch take 2 [01/10] (counter of removable page)

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.

-Andi
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