linux-kernel - [patch for v2.6.24] fix section mismatch warning in page

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Date:	Tue, 15 Jan 2008 23:12:49 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Sam Ravnborg <sam@...nborg.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Adrian Bunk <bunk@...nel.org>, Andi Kleen <andi@...stfloor.org>,
	rjw@...k.pl, pavel@...e.cz, linux-kernel@...r.kernel.org
Subject: [patch for v2.6.24] fix section mismatch warning in page_alloc.c


* Sam Ravnborg <sam@...nborg.org> wrote:

> [PATCH] mm: fix section mismatch warning in page_alloc.c
> 
> With CONFIG_HOTPLUG=n and CONFIG_HOTPLUG_CPU=y we saw following 
> warning: WARNING: mm/built-in.o(.text+0x6864): Section mismatch: 
> reference to .init.text: (between 'process_zones' and 
> 'pageset_cpuup_callback')
> 
> The culprint was zone_batchsize() which were annotated __devinit but 
> used from process_zones() which is annotated __cpuinit. 
> zone_batchsize() are used from another function annotated __meminit so 
> the only valid option is to drop the annotation of zone_batchsize() so 
> we know it is always valid to use it.

Andrew: a v2.6.24 mm fix i think.

Acked-by: Ingo Molnar <mingo@...e.hu>

	Ingo
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