1 files changed, 6 insertions, 3 deletions

diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index 19c72520a868..971dc1181e69 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -406,9 +406,12 @@ void __cpuinit zap_low_mappings(int cpu)
 #ifndef CONFIG_NUMA
 void __init paging_init(void)
 {
-        unsigned long max_zone_pfns[MAX_NR_ZONES] = {MAX_DMA_PFN,
-                                                        MAX_DMA32_PFN,
-                                                        end_pfn};
+        unsigned long max_zone_pfns[MAX_NR_ZONES];
+        memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+        max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
+        max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
+        max_zone_pfns[ZONE_NORMAL] = end_pfn;
+
         memory_present(0, 0, end_pfn);
         sparse_init();
         free_area_init_nodes(max_zone_pfns);