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Diffstat (limited to 'arch/x86/kernel/pci-gart_64.c')
-rw-r--r--arch/x86/kernel/pci-gart_64.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index 4d5cc718198..845cbecd68e 100644
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -501,7 +501,7 @@ static __init unsigned long check_iommu_size(unsigned long aper, u64 aper_size)
}
a = aper + iommu_size;
- iommu_size -= round_up(a, LARGE_PAGE_SIZE) - a;
+ iommu_size -= round_up(a, PMD_PAGE_SIZE) - a;
if (iommu_size < 64*1024*1024) {
printk(KERN_WARNING
@@ -731,7 +731,8 @@ void __init gart_iommu_init(void)
* the backing memory. The GART address is only used by PCI
* devices.
*/
- clear_kernel_mapping((unsigned long)__va(iommu_bus_base), iommu_size);
+ set_memory_np((unsigned long)__va(iommu_bus_base),
+ iommu_size >> PAGE_SHIFT);
/*
* Try to workaround a bug (thanks to BenH)