On Tue, Aug 19, 2014 at 11:01 PM, Pranith Kumar <[email protected]> wrote:
> ARCH_ENABLE_MEMORY_HOTPLUG is enabled by default for powerpc. This causes
> build
> failures when SPARSEMEM=n as memory hotplug needs definition which are defined
> only when SPARSEMEM=y. The error is as follows:
>
> arch/powerpc/platforms/pseries/hotplug-memory.c:27:31: error:
> 'SECTION_SIZE_BITS' undeclared (first use in this function)
> arch/powerpc/platforms/pseries/hotplug-memory.c:27:31: note: each undeclared
> identifier is reported only once for each function it appears in
> arch/powerpc/platforms/pseries/hotplug-memory.c: In function
> 'pseries_remove_memblock':
> arch/powerpc/platforms/pseries/hotplug-memory.c:98:34: error:
> 'SECTION_SIZE_BITS' undeclared (first use in this function)
> make[2]: *** [arch/powerpc/platforms/pseries/hotplug-memory.o] Error 1
>
> Signed-off-by: Pranith Kumar <[email protected]>
> CC: Andew Morton <[email protected]>
> ---
> arch/powerpc/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index 9c1aa77..da16ffe 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -383,6 +383,7 @@ config ARCH_CPU_PROBE_RELEASE
>
> config ARCH_ENABLE_MEMORY_HOTPLUG
> def_bool y
> + depends on SPARSEMEM
>
> config ARCH_HAS_WALK_MEMORY
> def_bool y
> --
> 1.9.1
In light of my investigation for your spufs patch, I guess this is a non-SMP
PSERIES config?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
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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