[PATCH] mm: memcontrol: remove BUG_ON in uncharge_list

[roy.qing.li-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org]

From: Li RongQing <roy.qing.li-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

when call uncharge_list, if a page is transparent huge, and not need to
BUG_ON about non-transparent huge, since nobody should be be seeing the
page at this stage and this page cannot be raced with a THP split up

Signed-off-by: Li RongQing <roy.qing.li-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 mm/memcontrol.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 4d9a215..d7a56f1 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5457,7 +5457,6 @@ static void uncharge_list(struct list_head *page_list)
 
 		if (PageTransHuge(page)) {
 			nr_pages <<= compound_order(page);
-			VM_BUG_ON_PAGE(!PageTransHuge(page), page);
 			nr_huge += nr_pages;
 		}
 
-- 
2.1.4