linux-kernel - Re: [2.6 patch] kernel/cgroup.c: remove dead code

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Date:	Fri, 26 Oct 2007 03:19:50 +0200
From:	Adrian Bunk <bunk@...nel.org>
To:	Paul Menage <menage@...gle.com>
Cc:	Paul Jackson <pj@....com>, linux-kernel@...r.kernel.org
Subject: Re: [2.6 patch] kernel/cgroup.c: remove dead code

On Thu, Oct 25, 2007 at 06:10:24PM -0700, Paul Menage wrote:
> On 10/24/07, Paul Jackson <pj@....com> wrote:
> > Paul M wrote:
> > > I think I'd rather not make this change - if we later changed the size
> > > of release_agent_path[] this could silently fail. Can we get around
> > > the coverity checker somehow?
> >
> > Perhaps we can simplify this check then, to:
> >
> >   BUG_ON(sizeof(cgrp->root->release_agent_path) < PATH_MAX));
> >
> > Less runtime code.
> 
> Sounds reasonable to me. Is there any kind of compile-time assert
> macro in the kernel?

BUILD_BUG_ON()

> Paul

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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