linux-kernel - Re: 2.6.24.2: 4KSTACKS + pcdrw + dm + mount -> stack overflow: ide-cd related? dm-related?

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Message-Id: <20080225145156.4184b509.akpm@linux-foundation.org>
Date:	Mon, 25 Feb 2008 14:51:56 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jan Kara <jack@...e.cz>
Cc:	Nix <nix@...eri.org.uk>, Peter Osterlund <petero2@...ia.com>,
	linux-kernel@...r.kernel.org, dm-devel@...hat.com,
	Jan Kara <jack@....cz>
Subject: Re: 2.6.24.2: 4KSTACKS + pcdrw + dm + mount -> stack overflow:
 ide-cd related? dm-related?

On Mon, 25 Feb 2008 23:48:07 +0100 Jan Kara <jack@...e.cz> wrote:

> > udf_process_sequence() seems to be another victim of gcc inlining.
>   Hmm, I'll have a look what we can do.

noinline...

> > udf_add_entry() defines a couple of 256-byte local arrays.
>   Yes, exactly two of them. One is  non-trivial to get rid of - it's
> used for encoding of filename before we write it, but one is used during
> scanning of the directory whether the entry doesn't already exists (oh,
> my!) and we can just rip that off..

kmalloc is quite fast ;)
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