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-rw-r--r--arch/x86/pci/i386.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 5ead808dd70..f234a37bd42 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -319,6 +319,9 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
return -EINVAL;
}
flags = new_flags;
+ vma->vm_page_prot = __pgprot(
+ (pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK) |
+ flags);
}
if (((vma->vm_pgoff < max_low_pfn_mapped) ||