mm: remove bogus warning in copy_huge_pmd()

[platform/adaptation/renesas_rcar/renesas_kernel.git] / mm / huge_memory.c

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 7de1bf8..9c0b172 100644 (file)
--- 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);