arm64: mm: always take dirty state from new pte in ptep_set_access_flags

[mirror_ubuntu-zesty-kernel.git] / arch / arm64 / mm / fault.c

diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 5954881a35ac516aed1bfb0844249feb551f40b3..ba3fc12bd2722b469ec31da5e133f0e7cbf92715 100644 (file)
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -109,7 +109,7 @@ int ptep_set_access_flags(struct vm_area_struct *vma,
         * PTE_RDONLY is cleared by default in the asm below, so set it in
         * back if necessary (read-only or clean PTE).
         */
-       if (!pte_write(entry) || !dirty)
+       if (!pte_write(entry) || !pte_sw_dirty(entry))
                pte_val(entry) |= PTE_RDONLY;
 
        /*