linux-kernel - Re: [PATCH] hugetlb: /proc/meminfo shows data for all sizes of hugepages

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Message-ID: <20110308012613.GA2391@tassilo.jf.intel.com>
Date:	Mon, 7 Mar 2011 17:26:13 -0800
From:	Andi Kleen <ak@...ux.intel.com>
To:	Petr Holasek <pholasek@...hat.com>
Cc:	linux-kernel@...r.kernel.org, emunson@...bm.net, anton@...hat.com,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Mel Gorman <mel@....ul.ie>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Wu Fengguang <fengguang.wu@...el.com>, linux-mm@...ck.org
Subject: Re: [PATCH] hugetlb: /proc/meminfo shows data for all sizes of
 hugepages

On Mon, Mar 07, 2011 at 02:05:55PM +0100, Petr Holasek wrote:
> /proc/meminfo file shows data for all used sizes of hugepages
> on system, not only for default hugepage size.

When I wrote that It was intentional to only report the 
default page size here. The other page sizes are reported
in sysfs instead.

The reason was to avoid breaking any applications that
read /proc/meminfo today.

I suspect your patch will break them.

-Andi
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