From: Miaohe Lin <linmiaohe@xxxxxxxxxx> Subject: mm/compaction: remove duplicated VM_BUG_ON_PAGE !PageLocked The VM_BUG_ON_PAGE(!PageLocked(page), page) is also done in PageMovable. Remove this explicitly one. Link: https://lkml.kernel.org/r/20210109081420.46030-1-linmiaohe@xxxxxxxxxx Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/compaction.c | 1 - 1 file changed, 1 deletion(-) --- a/mm/compaction.c~mm-compaction-remove-duplicated-vm_bug_on_page-pagelocked +++ a/mm/compaction.c @@ -137,7 +137,6 @@ EXPORT_SYMBOL(__SetPageMovable); void __ClearPageMovable(struct page *page) { - VM_BUG_ON_PAGE(!PageLocked(page), page); VM_BUG_ON_PAGE(!PageMovable(page), page); /* * Clear registered address_space val with keeping PAGE_MAPPING_MOVABLE _