linux-kernel - Re: [0/2] vmalloc: Add /proc/vmallocinfo to display mappings

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Message-Id: <20080319150704.d3f090e6.akpm@linux-foundation.org>
Date:	Wed, 19 Mar 2008 15:07:04 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	clameter@....com, kosaki.motohiro@...fujitsu.com,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [0/2] vmalloc: Add /proc/vmallocinfo to display mappings

On Wed, 19 Mar 2008 11:23:30 +0900
KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> wrote:
>
> > The following two patches implement /proc/vmallocinfo. /proc/vmallocinfo
> > displays data about the vmalloc allocations. The second patch introduces
> > a tracing feature that allows to display the function that allocated the
> > vmalloc area.
> > 
> > Example:
> > 
> > cat /proc/vmallocinfo

argh, please don't top-post.

(undoes it)

>
> Hi
> 
> Great.
> it seems very useful.
> and, I found no bug.
> 
> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>


I was just about to ask whether we actually need the feature - I don't
recall ever having needed it, nor do I recall seeing anyone else need it.

Why is it useful?
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