Re: [PATCH] percpu: add dummy pcpu_lpage_remapped() for !CONFIG_SMP

From: Kamalesh Babulal
Date: Wed Jul 15 2009 - 13:52:34 EST


* Tejun Heo <htejun@xxxxxxxxx> [2009-07-15 23:39:09]:

> !CONFIG_SMP was missing pcpu_lpage_remapped() definition causing build
> failure. Add dummy implementation. This was discovered by linux-next
> testing.
>

Thanks, the patch fixes the build failure.

Tested-by: Kamalesh Babulal <kamalesh@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
> Cc: Kamalesh Babulal <kamalesh@xxxxxxxxxxxxxxxxxx>
> Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> Yeap, it was missing dummy definition on !CONFIG_SMP. This patch
> fixes it. Committed to percpu#for-next. Thanks.
>
> include/linux/percpu.h | 5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/include/linux/percpu.h b/include/linux/percpu.h
> index 8ce91af..e134c82 100644
> --- a/include/linux/percpu.h
> +++ b/include/linux/percpu.h
> @@ -184,6 +184,11 @@ static inline void free_percpu(void *p)
>
> static inline void __init setup_per_cpu_areas(void) { }
>
> +static inline void *pcpu_lpage_remapped(void *kaddr)
> +{
> + return NULL;
> +}
> +
> #endif /* CONFIG_SMP */
>
> #define alloc_percpu(type) (type *)__alloc_percpu(sizeof(type), \
> --
> 1.6.0.2

Kamalesh
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