1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index efbf7df05d3f..4cd28931dba9 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -80,7 +80,7 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max)
 #ifdef CONFIG_ZONE_DMA32
         /* 4GB maximum for 32-bit only capable devices */
         max_dma32 = min(max, MAX_DMA32_PFN);
-        zone_size[ZONE_DMA32] = max_dma32 - min;
+        zone_size[ZONE_DMA32] = max(min, max_dma32) - min;
 #endif
         zone_size[ZONE_NORMAL] = max - max_dma32;