Re: [PATCH] mm: setup_usemap() must be __meminit

From: Geert Uytterhoeven
Date: Sun Feb 17 2008 - 07:33:04 EST


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@xxxxxxxxxxxxxx

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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