1 files changed, 4 insertions, 3 deletions

diff --git a/arch/ppc/mm/init.c b/arch/ppc/mm/init.c
index 410200046af1..c374e53ae03a 100644
--- a/arch/ppc/mm/init.c
+++ b/arch/ppc/mm/init.c
@@ -374,11 +374,12 @@ void __init paging_init(void)
         end_pfn = start_pfn + (total_memory >> PAGE_SHIFT);
         add_active_range(0, start_pfn, end_pfn);
 
+        memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
 #ifdef CONFIG_HIGHMEM
-        max_zone_pfns[0] = total_lowmem >> PAGE_SHIFT;
-        max_zone_pfns[1] = total_memory >> PAGE_SHIFT;
+        max_zone_pfns[ZONE_DMA] = total_lowmem >> PAGE_SHIFT;
+        max_zone_pfns[ZONE_HIGHMEM] = total_memory >> PAGE_SHIFT;
 #else
-        max_zone_pfns[0] = total_memory >> PAGE_SHIFT;
+        max_zone_pfns[ZONE_DMA] = total_memory >> PAGE_SHIFT;
 #endif /* CONFIG_HIGHMEM */
         free_area_init_nodes(max_zone_pfns);
 }