1 files changed, 6 insertions, 1 deletions

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 40c99deb691b..97e83f1d1bdb 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -423,7 +423,12 @@ static int __init parse_numa_properties(void)
                 unsigned int *memcell_buf;
                 unsigned int len;
 
-                memcell_buf = (unsigned int *)get_property(memory, "reg", &len);
+                memcell_buf = (unsigned int *)get_property(memory,
+                        "linux,usable-memory", &len);
+                if (!memcell_buf || len <= 0)
+                        memcell_buf =
+                                (unsigned int *)get_property(memory, "reg",
+                                        &len);
                 if (!memcell_buf || len <= 0)
                         continue;