From: Andrew Morton <akpm@osdl.org>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [BLOCK] bh: Ensure bh fits within a page
Date: Mon, 31 Jul 2006 21:04:18 -0700 [thread overview]
Message-ID: <20060731210418.084f9f5d.akpm@osdl.org> (raw)
In-Reply-To: <20060801030443.GA2221@gondor.apana.org.au>
On Tue, 1 Aug 2006 13:04:43 +1000
Herbert Xu <herbert@gondor.apana.org.au> wrote:
>
> There is a bug in jbd with slab debugging enabled where it was submitting
> a bh obtained via jbd_rep_kmalloc which crossed a page boundary. A lot
> of time was spent on tracking this down because the symptoms were far off
> from where the problem was.
>
> This patch adds a sanity check to submit_bh so we can immediately spot
> anyone doing similar things in future.
Seems sane.
> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
>
> While you're at it, could you fix that jbd bug for us :)
Could we have a more detailed description?
next prev parent reply other threads:[~2006-08-01 4:04 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-01 3:04 Herbert Xu
2006-08-01 4:04 ` Andrew Morton [this message]
2006-08-01 5:02 ` Herbert Xu
2006-08-01 5:54 ` Andrew Morton
2006-08-01 11:06 ` Herbert Xu
2006-08-01 14:45 ` Andrew Morton
2006-08-01 17:36 ` Christoph Lameter
2006-08-01 19:08 ` Pekka Enberg
2006-08-01 19:08 ` Steven Rostedt
2006-08-01 19:10 ` Christoph Lameter
2006-08-01 19:35 ` Steven Rostedt
2006-08-01 19:55 ` Christoph Lameter
2006-08-01 7:23 ` Jens Axboe
2006-08-01 23:30 ` Herbert Xu
2006-08-01 23:32 ` Herbert Xu
2006-08-02 6:23 ` Jens Axboe
2006-08-01 23:44 ` Andrew Morton
2006-08-17 23:14 ` Badari Pulavarty
2006-08-18 2:53 ` Herbert Xu
2006-08-01 19:33 ` Andi Kleen
2006-08-01 22:09 ` Herbert Xu
2006-08-02 11:06 ` Jens Axboe
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