diff --git a/[refs] b/[refs]
index a5129b074ceb..cde60a171a53 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 64f351d197d9ae8ad9624998afa8ee18e696ca44
+refs/heads/master: 28d6ee41a6ff8139e442af2dc55928bfbb475586
diff --git a/trunk/arch/x86/kernel/pci-gart_64.c b/trunk/arch/x86/kernel/pci-gart_64.c
index ae1d3d8b384d..845cbecd68e9 100644
--- a/trunk/arch/x86/kernel/pci-gart_64.c
+++ b/trunk/arch/x86/kernel/pci-gart_64.c
@@ -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)