linux-kernel - Re: [PATCH 1/3] Report the pagesize backing a VMA in /proc/pid/smaps

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Message-Id: <20080925234913.58AE.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Thu, 25 Sep 2008 23:51:37 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Mel Gorman <mel@....ul.ie>
Cc:	kosaki.motohiro@...fujitsu.com, Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Dave Hansen <dave@...ux.vnet.ibm.com>
Subject: Re: [PATCH 1/3] Report the pagesize backing a VMA in /proc/pid/smaps

> It is useful to verify a hugepage-aware application is using the expected
> pagesizes for its memory regions. This patch creates an entry called
> KernelPageSize in /proc/pid/smaps that is the size of page used by the kernel
> to back a VMA. The entry is not called PageSize as it is possible the MMU
> uses a different size. This extension should not break any sensible parser
> that skips lines containing unrecognised information.
> 
> Signed-off-by: Mel Gorman <mel@....ul.ie>

looks good to me.
and, I tested this patch on x86_64 mmotm 0923 and it works well.


Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>



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