diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/x86/kernel/amd_iommu.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index f405a61..db64482 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -472,8 +472,7 @@ static int init_unity_mappings_for_device(struct dma_ops_domain *dma_dom, ****************************************************************************/ static unsigned long dma_mask_to_pages(unsigned long mask) { - return (mask >> PAGE_SHIFT) + - (PAGE_ALIGN(mask & ~PAGE_MASK) >> PAGE_SHIFT); + return PAGE_ALIGN(mask) >> PAGE_SHIFT; } /* |