linux-kernel - Re: maps2-move-the-page-walker-code-to-lib.patch

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Message-Id: <1184033195.6005.439.camel@localhost.localdomain>
Date:	Tue, 10 Jul 2007 12:06:35 +1000
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Matt Mackall <mpm@...enic.com>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	David Rientjes <rientjes@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Sam Ravnborg <sam@...nborg.org>
Subject: Re: maps2-move-the-page-walker-code-to-lib.patch

On Mon, 2007-07-09 at 15:22 -0500, Matt Mackall wrote:
> On Sun, Jul 08, 2007 at 03:49:56PM +1000, Rusty Russell wrote:
> > Matt wrote:
> > > This lets it get shared outside of proc/ and linked in only when needed.
> > 
> > Erk, this really belongs in the mm dir.  You can use "lib-y +=
> > pagewalk.o" there, and it seems to work as well as doing it in lib.
> 
> Are you sure? I tested that a few months ago and it didn't work for
> me. I seem to recall it wanted a chunk of makefile surgery.

Well, I tested here and it worked unless I screwed something (producing
lib.a in mm/ and linking it in).  And when I turned off all the CONFIG
options which required it, the symbols disappeared from the vmlinux...

Rusty.


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