Commit c97ac535 authored by Joerg Roedel's avatar Joerg Roedel Committed by Ingo Molnar
Browse files

AMD IOMMU: replace memset with __GFP_ZERO in alloc_coherent 



Remove the memset and use __GFP_ZERO at allocation time instead.

Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 13d9fead

arch/x86/kernel/amd_iommu.c

+1 −1
Original line number Diff line number Diff line
@@ -1176,11 +1176,11 @@ static void *alloc_coherent(struct device *dev, size_t size, 
	if (!get_device_resources(dev, &iommu, &domain, &devid))

		flag &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);



	flag |= __GFP_ZERO;

	virt_addr = (void *)__get_free_pages(flag, get_order(size));

	if (!virt_addr)

		return 0;



	memset(virt_addr, 0, size);

	paddr = virt_to_phys(virt_addr);



	if (!iommu || !domain) {

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