linux-kernel - Re: [PATCH] x86: drop obsolete ARCH

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Message-ID: <20120411205337.GA29238@merkur.ravnborg.org>
Date:	Wed, 11 Apr 2012 22:53:37 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Tejun Heo <tj@...nel.org>
Cc:	Yinghai Lu <yinghai@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: drop obsolete ARCH_BOOTMEM support

On Wed, Apr 11, 2012 at 10:11:15AM -0700, Tejun Heo wrote:
> On Wed, Apr 11, 2012 at 10:03:50AM -0700, Yinghai Lu wrote:
> > On Wed, Apr 11, 2012 at 9:30 AM, Tejun Heo <tj@...nel.org> wrote:
> > > On Fri, Apr 06, 2012 at 02:47:35PM +0200, Sam Ravnborg wrote:
> > >> From ae6cdc767f973f39cb205af4b80ff13f35a1b66e Mon Sep 17 00:00:00 2001
> > >> From: Sam Ravnborg <sam@...nborg.org>
> > >> Date: Fri, 6 Apr 2012 13:37:08 +0200
> > >> Subject: [PATCH] x86: drop obsolete ARCH_BOOTMEM support
> > >>
> > >> x86 unconditionally uses NO_BOOTMEM so there is no use
> > >> of the HAVE_ARCH_BOOTMEM support as mm/bootmem.c is the
> > >> only file referencing this symbol.
> > >>
> > >> bootmem_arch_preferred_node() is the function referred
> > >> in the mm/bootmem.c code and can thuis be dropped too.
> > >>
> > >> x86 was the sole user of HAVE_ARCH_BOOTMEM - so there is
> > >> an opportunity to clean up a little in mm/bootmem.c too
> > >> if we do not expect other users to emerge.
> > >
> > > avr32 seems to have it too?
> > 
> > avr32 is:
> > 
> > config HAVE_ARCH_BOOTMEM
> >         def_bool n
> > 
> > so that is not used with avr32
> 
> Yeah, then better remove the reference from there too, right?
Yep - will do tomorrow.

	Sam
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