On Tue, 16 May 2023 14:38:16 +0800 Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> wrote: > DEBUG_PAGEALLOC > > mm/debug_page_alloc.c | 59 +++++++++++++++++++++++++++++++++ > mm/page_alloc.c | 69 --------------------------------------- and FAIL_PAGE_ALLOC We're irritatingly inconsistent about whether there's an underscore. akpm:/usr/src/25> grep page_alloc mm/*c|wc -l 49 akpm:/usr/src/25> grep pagealloc mm/*c|wc -l 28