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From: Lee Schermerhorn on 17 May 2010 21:50
On Sun, 2010-05-16 at 16:37 -0700, Randy Dunlap wrote:
> include/linux/topology.h:248: error: implicit declaration of function 'cpu_to_node'
>
>
> config attached.

Hmmm, i386 NUMA.

With the following patch, your config builds correctly. !NUMA i386
still builds, as well.

Lee

Fix i386 numa build: define cpu_to_node() stub same as
early_cpu_to_node() for i386 numa builds. Just return node
from cpu_to_node_map[].

Signed-off-by: Lee Schermerhorn <lee.schermerhorn(a)hp.com>

arch/x86/include/asm/topology.h | 4 +++-
1 files changed, 3 insertions(+), 1 deletion(-)

Index: linux-2.6.34-rc7-mmotm-100514-1333/arch/x86/include/asm/topology.h
===================================================================
--- linux-2.6.34-rc7-mmotm-100514-1333.orig/arch/x86/include/asm/topology.h 2010-05-17 08:40:47.000000000 -0400
+++ linux-2.6.34-rc7-mmotm-100514-1333/arch/x86/include/asm/topology.h 2010-05-17 10:49:08.000000000 -0400
@@ -53,10 +53,12 @@
extern int cpu_to_node_map[];

/* Returns the number of the node containing CPU 'cpu' */
-static inline int early_cpu_to_node(int cpu)
+static inline int __cpu_to_node(int cpu)
{
return cpu_to_node_map[cpu];
}
+#define early_cpu_to_node __cpu_to_node
+#define cpu_to_node __cpu_to_node

#else /* CONFIG_X86_64 */



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