linux-kernel - Re: [patch 4/5] x86: use BOOTMEM

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Message-ID: <20080623080940.GA23313@elte.hu>
Date:	Mon, 23 Jun 2008 10:09:40 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Greg KH <gregkh@...e.de>, Johannes Weiner <hannes@...urebad.de>,
	linux-kernel@...r.kernel.org, stable@...nel.org,
	Justin Forbes <jmforbes@...uxtx.org>,
	Zwane Mwaikambo <zwane@....linux.org.uk>,
	Theodore Ts'o <tytso@....edu>,
	Randy Dunlap <rdunlap@...otime.net>,
	Dave Jones <davej@...hat.com>,
	Chuck Wolber <chuckw@...ntumlinux.com>,
	Chris Wedgwood <reviews@...cw.f00f.org>,
	Michael Krufky <mkrufky@...uxtv.org>,
	Chuck Ebbert <cebbert@...hat.com>,
	Domenico Andreoli <cavokz@...il.com>, Willy Tarreau <w@....eu>,
	Rodrigo Rubira Branco <rbranco@...checkpoint.com>,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Bernhard Walle <bwalle@...e.de>
Subject: Re: [patch 4/5] x86: use BOOTMEM_EXCLUSIVE on 32-bit


* Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> On Sun, 22 Jun 2008, Greg KH wrote:
> >
> > > You will also need the patch from http://lkml.org/lkml/2008/6/21/103 to
> > > make sure reserve_bootmem() is not void (*)().
> > 
> > Ok, let me know when that goes into Linus's tree please.
> 
> It already is: 71c2742f5e6348d76ee62085cf0a13e5eff0f00e.

thanks. This patch (which was not a build fix but an infrastructure fix 
that the kexec fix in arch/x86 depended on) is well-tested as well, it 
was queued in -tip on June 10th:

| commit 91d48fc80f22817332170082e10de60a75851640
| Author: Bernhard Walle <bwalle@...e.de>
| Date:   Sun Jun 8 15:46:29 2008 +0200
| CommitDate: Tue Jun 10 14:41:56 2008 +0200
|
|    bootmem: add return value to reserve_bootmem_node()
|
|    This patch changes the function reserve_bootmem_node() from void to
|    int, returning -ENOMEM if the allocation fails.
|
|    Signed-off-by: Bernhard Walle <bwalle@...e.de>
|    Signed-off-by: Ingo Molnar <mingo@...e.hu>

so it is a -stable candidate just as much as the kexec fix. (These are 
all fixes for long-standing problems so i guess it can go all the way 
back to all stable kernels that are being maintained.)

	Ingo
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