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Subject[PATCH 3/5] hugetlb_cgroup: remove unnecessary VM_BUG_ON_PAGE in hugetlb_cgroup_migrate()
Date
!PageHuge(oldhpage) is implicitly checked in page_hstate() above, so we
remove this explicit one.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
mm/hugetlb_cgroup.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c
index 8668ba87cfe4..3dde6ddf0170 100644
--- a/mm/hugetlb_cgroup.c
+++ b/mm/hugetlb_cgroup.c
@@ -785,7 +785,6 @@ void hugetlb_cgroup_migrate(struct page *oldhpage, struct page *newhpage)
if (hugetlb_cgroup_disabled())
return;

- VM_BUG_ON_PAGE(!PageHuge(oldhpage), oldhpage);
spin_lock(&hugetlb_lock);
h_cg = hugetlb_cgroup_from_page(oldhpage);
h_cg_rsvd = hugetlb_cgroup_from_page_rsvd(oldhpage);
--
2.19.1
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