linux-kernel - Re: [PATCH] mm: setup_usemap() must be _

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Date:	Sun, 17 Feb 2008 13:31:14 +0100 (CET)
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Mel Gorman <mel@....ul.ie>,
	Andrew Morton <akpm@...ux-foundation.org>
cc:	Linux Kernel Development <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm: setup_usemap() must be __meminit

On Sun, 17 Feb 2008, Geert Uytterhoeven wrote:
> On m68k (CONFIG_SPARSEMEM is not set), I get:
> 
>     WARNING: vmlinux.o(.meminit.text+0x36c): Section mismatch in reference from the function free_area_init_core() to the function .init.text:setup_usemap()
>     The function __meminit free_area_init_core() references
>     a function __init setup_usemap().
>     If free_area_init_core is only used by setup_usemap then
>     annotate free_area_init_core with a matching annotation.
> 
> If CONFIG_SPARSEMEM is set, the problem is  not noticed because setup_usemap()
> is always inlined.
> 
> Properly annotating setup_usemap() and usemap_size() fixes it.

Woops, hit the send button too soon.

setup_usemap() calls alloc_bootmem_node(), causing a whole new
avalanche of warnings to be fixed up :-(

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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