From: Miaohe Lin <linmiaohe@xxxxxxxxxx> Subject: mm/hugetlb: remove unnecessary VM_BUG_ON_PAGE on putback_active_hugepage() All callers know they are operating on a hugetlb head page. So this VM_BUG_ON_PAGE can not catch anything useful. Link: https://lkml.kernel.org/r/20210209071151.44731-1-linmiaohe@xxxxxxxxxx Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Reviewed-by: Oscar Salvador <osalvador@xxxxxxx> Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/hugetlb.c | 1 - 1 file changed, 1 deletion(-) --- a/mm/hugetlb.c~mm-hugetlb-remove-unnecessary-vm_bug_on_page-on-putback_active_hugepage +++ a/mm/hugetlb.c @@ -5622,7 +5622,6 @@ unlock: void putback_active_hugepage(struct page *page) { - VM_BUG_ON_PAGE(!PageHead(page), page); spin_lock(&hugetlb_lock); set_page_huge_active(page); list_move_tail(&page->lru, &(page_hstate(page))->hugepage_activelist); _
