linux-kernel - Re: [PATCH] xfs: reduce stack usage in xfs_bmap

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Message-ID: <20080426200701.GA10883@infradead.org>
Date:	Sat, 26 Apr 2008 16:07:01 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Denys Vlasenko <vda.linux@...glemail.com>,
	David Chinner <dgc@....com>, xfs@....sgi.com,
	Eric Sandeen <sandeen@...deen.net>,
	Adrian Bunk <bunk@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] xfs: reduce stack usage in xfs_bmap_btalloc()

On Sat, Apr 26, 2008 at 10:02:17PM +0200, Andi Kleen wrote:
> Denys Vlasenko <vda.linux@...glemail.com> writes:
> >
> > Compile tested only.
> 
> You should mark the helper noinline just to prevent gcc from possibly
> inlining it. Even if it doesn't with your current compiler inline heuristics
> vary widely between compiler versions.

STATIC as defined by xfs already does this..

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