linux-kernel - Re: Remove init_mm export as planned for 2.6.26

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Message-Id: <20080713213322.f9f5550e.akpm@linux-foundation.org>
Date:	Sun, 13 Jul 2008 21:33:22 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Dave Jones <davej@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	sparclinux@...r.kernel.org
Subject: Re: Remove init_mm export as planned for 2.6.26

On Sun, 13 Jul 2008 22:37:09 -0400 Christoph Hellwig <hch@...radead.org> wrote:

> On Fri, Jul 11, 2008 at 07:30:46PM -0700, Andrew Morton wrote:
> > > -EXPORT_UNUSED_SYMBOL(init_mm); /* will be removed in 2.6.26 */
> > >  
> > >  /*
> > >   * Initial thread structure.
> > > 
> > 
> > grep -r init_mm include/asm-sparc64
> > 
> > This patch used to break stuff.  I'm not aware that anything was done
> > to prevent this.
> 
> Dave's patch only unexprts it on x86, which per defintion can't break
> sparc64 which is known to need this export.

What, you want beauty _and_ reading comprehension?

>  It would be nice if someone
> could do a little audit which architectures require it in addition to
> sparc64 and remove it fromm all others.

Yup.  afaik sparc64 is the only one.
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