[PATCH] powerpc/pseries: boot failures on numa if no memory on node

This bug exists in the current code and prevents machines from booting
with numa enabled if there is a node that does not contain memory.
Workaround is to boot with 'numa=off'.  Looks like a simple typo.

Signed-off-by: Mike Kravetz <kravetz@us.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index f72cf87364cb29d9953131fc1f0ef46d5a407087..ba7a3055a9fc42f20b70f80b7bc298f40137a559 100644 (file)
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -125,7 +125,7 @@ void __init get_region(unsigned int nid, unsigned long *start_pfn,
 
        /* We didnt find a matching region, return start/end as 0 */
        if (*start_pfn == -1UL)
-               start_pfn = 0;
+               *start_pfn = 0;
 }
 
 static inline void map_cpu_to_node(int cpu, int node)