Re: [Xen-devel] [PATCH 3 of 8] xen: let the (credit) scheduler know about `node affinity`

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 05.10.12 at 16:08, Dario Faggioli <dario.faggioli@xxxxxxxxxx> wrote:
> @@ -287,22 +344,26 @@ static inline void
>          }
>          else
>          {
> -            cpumask_t idle_mask;
> +            cpumask_t idle_mask, balance_mask;

Be _very_ careful about adding on-stack CPU mask variables
(also further below): each one of them grows the stack frame
by 512 bytes (when building for the current maximum of 4095
CPUs), which is generally too much; you may want to consider
pre-allocated scratch space instead.

Jan


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel