From: Miaohe Lin <linmiaohe@xxxxxxxxxx> Subject: mm/hugetlb_cgroup: remove unnecessary VM_BUG_ON_PAGE in hugetlb_cgroup_migrate() !PageHuge(oldhpage) is implicitly checked in page_hstate() above, so we remove this explicit one. Link: https://lkml.kernel.org/r/20210308112809.26107-4-linmiaohe@xxxxxxxxxx Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/hugetlb_cgroup.c | 1 - 1 file changed, 1 deletion(-) --- a/mm/hugetlb_cgroup.c~hugetlb_cgroup-remove-unnecessary-vm_bug_on_page-in-hugetlb_cgroup_migrate +++ a/mm/hugetlb_cgroup.c @@ -784,7 +784,6 @@ void hugetlb_cgroup_migrate(struct page 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); _
