On Wed, Jul 16, 2008 at 09:29:02PM +0400, Alexey Dobriyan wrote:
quoted text
> on_each_cpu() expands to function call on UP, too.

It looks to me like on_each_cpu is a #define for !SMP.  Are you certain
of the need for this change?  Are you looking at a different tree than
Linus'?

Thanks,
Robin

quoted text
> 
> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
> ---
> 
>  mm/slub.c |    8 --------
>  1 file changed, 8 deletions(-)
> 
> --- a/mm/slub.c
> +++ b/mm/slub.c
> @@ -1495,15 +1495,7 @@ static void flush_cpu_slab(void *d)
>  
>  static void flush_all(struct kmem_cache *s)
>  {
> -#ifdef CONFIG_SMP
>  	on_each_cpu(flush_cpu_slab, s, 1);
> -#else
> -	unsigned long flags;
> -
> -	local_irq_save(flags);
> -	flush_cpu_slab(s);
> -	local_irq_restore(flags);
> -#endif
>  }
>  
>  /*
> 
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