[Xen-devel] [PATCH] Re: [Xen-staging] [xen-unstable] xen: Allow NUMA node to be specific to alloc_domheap_pages() via a new

[Alex Williamson <alex.williamson@xxxxxx>]

On Fri, 2008-04-04 at 10:50 +0100, Xen staging patchbot-unstable wrote:
> diff -r 0834234fd668 -r 57febe0264e1 xen/include/xen/numa.h
> --- a/xen/include/xen/numa.h    Fri Apr 04 10:18:45 2008 +0100
> +++ b/xen/include/xen/numa.h    Fri Apr 04 10:48:01 2008 +0100
> @@ -8,6 +8,13 @@
>  #define NODES_SHIFT     0
>  #endif
>  
> +#define NUMA_NO_NODE    0xFF
> +
>  #define MAX_NUMNODES    (1 << NODES_SHIFT)
>  
> +#define vcpu_to_node(v) (cpu_to_node[(v)->processor])
> +
> +#define domain_to_node(d) \
> +  (((d)->vcpu[0] != NULL) ? vcpu_to_node((d)->vcpu[0]) :
> NUMA_NO_NODE)
> +
>  #endif /* _XEN_NUMA_H */

   The cpu_to_node[] array is arch specific.  The cpu_to_node() macro is
the mechanism to abstract this across archs.  Thanks,

        Alex

Signed-off-by: Alex Williamson <alex.williamson@xxxxxx>
--

diff -r 80f3c86feb7f xen/include/xen/numa.h
--- a/xen/include/xen/numa.h    Fri Apr 04 15:43:01 2008 +0100
+++ b/xen/include/xen/numa.h    Fri Apr 04 09:03:49 2008 -0600
@@ -12,7 +12,7 @@
 
 #define MAX_NUMNODES    (1 << NODES_SHIFT)
 
-#define vcpu_to_node(v) (cpu_to_node[(v)->processor])
+#define vcpu_to_node(v) (cpu_to_node((v)->processor))
 
 #define domain_to_node(d) \
   (((d)->vcpu[0] != NULL) ? vcpu_to_node((d)->vcpu[0]) : NUMA_NO_NODE)



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