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-rw-r--r--arch/x86_64/mm/numa.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c
index 829a008bd39b..2ee2e003606c 100644
--- a/arch/x86_64/mm/numa.c
+++ b/arch/x86_64/mm/numa.c
@@ -338,9 +338,11 @@ static void __init arch_sparse_init(void)
void __init paging_init(void)
{
int i;
- 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;
arch_sparse_init();