1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index 1d76f8ca90f0..ee1c244a62a1 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -113,7 +113,7 @@ extern void __split_huge_page_pmd(struct vm_area_struct *vma,
         do {                                                            \
                 pmd_t *____pmd = (__pmd);                               \
                 anon_vma_lock_write(__anon_vma);                        \
-                anon_vma_unlock(__anon_vma);                            \
+                anon_vma_unlock_write(__anon_vma);                      \
                 BUG_ON(pmd_trans_splitting(*____pmd) ||                 \
                        pmd_trans_huge(*____pmd));                       \
         } while (0)