1 files changed, 0 insertions, 3 deletions

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 7de1bf85f683..9c0b17295ba0 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -883,9 +883,6 @@ int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm,
                 goto out_unlock;
         }
 
-        /* mmap_sem prevents this happening but warn if that changes */
-        WARN_ON(pmd_trans_migrating(pmd));
-
         if (unlikely(pmd_trans_splitting(pmd))) {
                 /* split huge page running from under us */
                 spin_unlock(src_ptl);