linux-kernel - Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?

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Date:	Thu, 12 Jul 2007 16:37:53 +1000
From:	David Chinner <dgc@....com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Jesper Juhl <jesper.juhl@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?

On Wed, Jul 11, 2007 at 11:08:36PM -0700, Jeremy Fitzhardinge wrote:
> Jesper Juhl wrote:
> >One of the big problem spots was XFS, but that got some stack usage 
> >fixes recently, and the 4K stack option has been around for quite a 
> >while now, so people really should have gotten around to fixing any 
> >code that can't handle it.   Are there still any big problem areas 
> >remaining?
> >  
> 
> I get frequent crashes when I use 4k stacks with XFS+lvm, using recent 
> kernels.  When did XFS stack use reductions go in?

February. They were fixes for gcc4.x stack usage regressions (i.e. a ~25%
increase) over gcc 3.3.5. They were not new stack reduction patches....

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group
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