On Tue, 2015-04-07 at 18:26 +0100, Andrew Cooper wrote:
> Previously, all pcpu stacks tended to be allocated on node 0.
> 
> Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
> CC: Keir Fraser <k...@xen.org>
> CC: Jan Beulich <jbeul...@suse.com>
> 
Again, FWIW:

Reviewed-by: Dario Faggioli <dario.faggi...@citrix.com>

Out of curiosity...

>  xen/arch/x86/smpboot.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/xen/arch/x86/smpboot.c b/xen/arch/x86/smpboot.c
> index a009e91..116c8f8 100644
> --- a/xen/arch/x86/smpboot.c
> +++ b/xen/arch/x86/smpboot.c
> @@ -642,7 +642,7 @@ static int cpu_smpboot_alloc(unsigned int cpu)
>      if ( node != NUMA_NO_NODE )
>          memflags = MEMF_node(node);
>  
> -    stack_base[cpu] = alloc_xenheap_pages(STACK_ORDER, 0);
> +    stack_base[cpu] = alloc_xenheap_pages(STACK_ORDER, memflags);
>
... I wonder how/why this was '0', while all the other were already
using MEMF_node(cpu_to_node)...

:-O

Regards,
Dario

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