If early cpu to node mapping finds an invalid node id, return
the first online node instead of node 0. On ppc, we can find node 0
not present.

Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.ibm.com>
---
 arch/powerpc/include/asm/topology.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/include/asm/topology.h 
b/arch/powerpc/include/asm/topology.h
index 36fcafb1fd6d..3f07231d33b3 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -60,7 +60,7 @@ static inline int early_cpu_to_node(int cpu)
         * Fall back to node 0 if nid is unset (it should be, except bugs).
         * This allows callers to safely do NODE_DATA(early_cpu_to_node(cpu)).
         */
-       return (nid < 0) ? 0 : nid;
+       return (nid < 0) ? first_online_node : nid;
 }
 
 int of_drconf_to_nid_single(struct drmem_lmb *lmb);
-- 
2.36.1

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