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From: Dave Jones <davej@redhat.com>
To: Linus Torvalds <torvalds@osdl.org>
Cc: "Martin J. Bligh" <mbligh@mbligh.org>,
	Jesper Juhl <jesper.juhl@gmail.com>, Jens Axboe <axboe@suse.de>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@osdl.org>,
	markhe@nextd.demon.co.uk, Andrea Arcangeli <andrea@suse.de>,
	Mike Christie <michaelc@cs.wisc.edu>,
	James Bottomley <James.Bottomley@steeleye.com>
Subject: Re: Slab corruption in 2.6.16-rc5-mm2
Date: Thu, 9 Mar 2006 11:41:51 -0500	[thread overview]
Message-ID: <20060309164151.GB30809@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0603090802350.18022@g5.osdl.org>

On Thu, Mar 09, 2006 at 08:08:52AM -0800, Linus Torvalds wrote:

 > IOW, DEBUG_SLAB is something that a distro kernel can reasonably enable 
 > for users by default (I think fedora-devel does, for example).

Correct.

 > - neither: usable for benchmarking
 > - DEBUG_SLAB: perfectly usable for normal work
 > - DEBUG_PAGEALLOC (with or without DEBUG_SLAB): debugging tool only
 >
 > At least that's my opinion, maybe others have other experiences.

That's pretty much my experience.  I get people screaming at me when
I enable PAGEALLOC for a day or so in the Fedora-devel kernel if I'm
chasing something :)

		Dave

-- 
http://www.codemonkey.org.uk

  reply	other threads:[~2006-03-09 16:42 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-06  0:17 Slab corruption in 2.6.16-rc5-mm2 Jesper Juhl
2006-03-06 18:25 ` Linus Torvalds
2006-03-06 18:43   ` Jesper Juhl
2006-03-06 19:32     ` Linus Torvalds
2006-03-06 19:51       ` Jesper Juhl
2006-03-06 19:58         ` Jesper Juhl
2006-03-06 20:06       ` Linus Torvalds
2006-03-06 20:24         ` Jesper Juhl
2006-03-06 20:30           ` Jens Axboe
2006-03-06 20:33             ` Jens Axboe
2006-03-06 21:14               ` Jesper Juhl
2006-03-06 21:41             ` Jesper Juhl
2006-03-06 21:55               ` Dave Jones
2006-03-06 21:57                 ` Jesper Juhl
2006-03-09 15:50                 ` Martin J. Bligh
2006-03-09 15:54                   ` Martin J. Bligh
2006-03-09 15:54                   ` Benjamin LaHaise
2006-03-09 16:04                     ` Martin J. Bligh
2006-03-09 16:08                   ` Linus Torvalds
2006-03-09 16:41                     ` Dave Jones [this message]
2006-03-06 20:36         ` Jesper Juhl
2006-03-06 20:53           ` Jesper Juhl
2006-03-06 20:56             ` Jesper Juhl
2006-03-06 21:07               ` Linus Torvalds
2006-03-06 21:16                 ` Jesper Juhl
2006-03-06 21:54                 ` Jesper Juhl
2006-03-06 22:05                   ` Andrew Morton
2006-03-06 22:08                     ` Jesper Juhl
2006-03-06 22:27                       ` Jesper Juhl
2006-03-06 22:17                   ` Linus Torvalds
2006-03-06 22:34                     ` Linus Torvalds
2006-03-06 22:52                       ` Jesper Juhl
2006-03-06 22:54                       ` Linus Torvalds
2006-03-06 23:01                         ` Jesper Juhl
2006-03-06 23:06                           ` Andrew Morton
2006-03-06 23:24                             ` Jesper Juhl
2006-03-07  0:17                               ` Linus Torvalds
2006-03-07  0:25                                 ` Jesper Juhl
2006-03-07  3:15                               ` Mike Christie
2006-03-07  3:20                                 ` Linus Torvalds
2006-03-07 18:01                                   ` James Bottomley
2006-03-07 19:40                                     ` Jesper Juhl
2006-03-07  8:47                       ` [PATCH] slab: fix offslab_limit in calculate_slab_order (Was: Slab corruption in 2.6.16-rc5-mm2) Pekka J Enberg
2006-03-07 17:12                         ` Linus Torvalds
2006-03-07 19:21                           ` Pekka Enberg
2006-03-07 19:28                       ` Slab corruption in 2.6.16-rc5-mm2 Bill Davidsen
2006-03-06 22:44                     ` Jesper Juhl
2006-03-06 18:48   ` Mike Christie
2006-03-06 18:49     ` Mike Christie
  -- strict thread matches above, loose matches on Subject: below --
2006-03-08  6:25 Chuck Ebbert
2006-03-08  8:32 ` Nick Piggin
2006-03-08  8:46   ` Andrew Morton
2006-03-08  9:02     ` Nick Piggin
2006-03-08  9:12       ` Andrew Morton
2006-03-08  9:23         ` Nick Piggin
2006-03-08 14:35           ` Lee Schermerhorn

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