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

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Message-ID: <CAE9FiQVmyTSUGKmusrVvj-38URhRFzvjv7w-2ch928kEiJPOhg@mail.gmail.com>
Date:	Wed, 11 Apr 2012 10:03:50 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Tejun Heo <tj@...nel.org>
Cc:	Sam Ravnborg <sam@...nborg.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 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

Yinghai
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