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From: Andrew Morton <akpm@osdl.org>
To: Zach Brown <zach.brown@oracle.com>
Cc: rdunlap@xenotime.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] kmap tracking
Date: Mon, 22 May 2006 10:39:15 -0700	[thread overview]
Message-ID: <20060522103915.53e03867.akpm@osdl.org> (raw)
In-Reply-To: <4471EA2C.4010401@oracle.com>

Zach Brown <zach.brown@oracle.com> wrote:
>
>  Randy.Dunlap wrote:
>  > From: Randy Dunlap <rdunlap@xenotime.net>
>  > 
>  > Track kmap/kunmap call history, storing caller function address,
>  > action, and time (jiffies), if CONFIG_DEBUG_KMAP is enabled.
>  > Based on a patch to 2.4.21 by Zach Brown that was used successfully
>  > at Oracle to track down some kmap/kunmap problems.
> 
>  Thanks for bringing this to 2.6.. sorry for the lag in reviewing.

I was scratching my head over this patch trying to think of any bug in
recent years which it would have detected.  I failed.

So...  what's the motivator here?

  reply	other threads:[~2006-05-22 17:39 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-18 22:53 Randy.Dunlap
2006-05-22 16:43 ` Zach Brown
2006-05-22 17:39   ` Andrew Morton [this message]
2006-05-22 17:58     ` Zach Brown
2006-05-22 18:11       ` Randy.Dunlap
2006-05-23 18:42   ` Randy.Dunlap
2006-05-24  1:59     ` Randy.Dunlap

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