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-rw-r--r--mm/mprotect.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 3f36c88a238e..7cd7f644da80 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -656,6 +656,7 @@ success:
* vm_flags and vm_page_prot are protected by the mmap_lock
* held in write mode.
*/
+ vma_start_write(vma);
vm_flags_reset(vma, newflags);
if (vma_wants_manual_pte_write_upgrade(vma))
mm_cp_flags |= MM_CP_TRY_CHANGE_WRITABLE;