diff options
Diffstat (limited to 'arch/x86_64/kernel/aperture.c')
| -rw-r--r-- | arch/x86_64/kernel/aperture.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/aperture.c b/arch/x86_64/kernel/aperture.c index c7f4fdd20f05..e4e2b7d01f89 100644 --- a/arch/x86_64/kernel/aperture.c +++ b/arch/x86_64/kernel/aperture.c @@ -23,6 +23,7 @@ #include <asm/io.h> #include <asm/proto.h> #include <asm/pci-direct.h> +#include <asm/dma.h> int iommu_aperture; int iommu_aperture_disabled __initdata = 0; @@ -247,7 +248,7 @@ void __init iommu_hole_init(void) /* Got the aperture from the AGP bridge */ } else if (swiotlb && !valid_agp) { /* Do nothing */ - } else if ((!no_iommu && end_pfn >= 0xffffffff>>PAGE_SHIFT) || + } else if ((!no_iommu && end_pfn >= MAX_DMA32_PFN) || force_iommu || valid_agp || fallback_aper_force) { |