1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index e43d48956dea..e1c7e9e51045 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2930,6 +2930,7 @@ static void *alloc_coherent(struct device *dev, size_t size,
         size      = PAGE_ALIGN(size);
         dma_mask  = dev->coherent_dma_mask;
         flag     &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
+        flag     |= __GFP_ZERO;
 
         page = alloc_pages(flag | __GFP_NOWARN,  get_order(size));
         if (!page) {