linux-kernel - Re: [PATCH v2] Show kernel stack usage to /proc/meminfo and OOM log

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Message-ID: <alpine.DEB.1.10.0907011315540.9522@gentwo.org>
Date:	Wed, 1 Jul 2009 13:16:27 -0400 (EDT)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	David Howells <dhowells@...hat.com>
cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Johannes Weiner <hannes@...xchg.org>,
	"riel@...hat.com" <riel@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"peterz@...radead.org" <peterz@...radead.org>,
	"tytso@....edu" <tytso@....edu>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"elladan@...imo.com" <elladan@...imo.com>,
	"npiggin@...e.de" <npiggin@...e.de>,
	"Barnes, Jesse" <jesse.barnes@...el.com>
Subject: Re: [PATCH v2] Show kernel stack usage to /proc/meminfo and OOM
 log

On Wed, 1 Jul 2009, David Howells wrote:

> KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> wrote:
>
> > +	int pages = THREAD_SIZE / PAGE_SIZE;
>
> Bad assumption.  On FRV, for example, THREAD_SIZE is 8K and PAGE_SIZE is 16K.

Guess that means we need arch specific accounting for this counter.

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