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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);