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-rw-r--r--mm/rmap.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/rmap.c b/mm/rmap.c
index c95d2ba27a0b..a3197a8a295b 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1400,6 +1400,7 @@ int try_to_unmap(struct page *page, enum ttu_flags flags)
int ret;
BUG_ON(!PageLocked(page));
+ BUG_ON(PageTransHuge(page));
if (unlikely(PageKsm(page)))
ret = try_to_unmap_ksm(page, flags);