diff options
Diffstat (limited to 'arch/x86_64/kernel/pci-gart.c')
-rw-r--r-- | arch/x86_64/kernel/pci-gart.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c index 2b865c90b04..116e00f1bb7 100644 --- a/arch/x86_64/kernel/pci-gart.c +++ b/arch/x86_64/kernel/pci-gart.c @@ -804,7 +804,7 @@ static int __init pci_iommu_init(void) } if (no_iommu || - (!force_iommu && end_pfn < 0xffffffff>>PAGE_SHIFT) || + (!force_iommu && (end_pfn-1) < 0xffffffff>>PAGE_SHIFT) || !iommu_aperture || (no_agp && init_k8_gatt(&info) < 0)) { printk(KERN_INFO "PCI-DMA: Disabling IOMMU.\n"); |