On Fri, Mar 01, 2024 at 06:46:29AM +0800, kernel test robot wrote: > mm/debug.c: In function '__dump_page': > >> include/asm-generic/pgtable-nop4d.h:11:33: error: 'PGDIR_SHIFT' undeclared (first use in this function); did you mean 'PUD_SHIFT'? > 11 | #define P4D_SHIFT PGDIR_SHIFT > | ^~~~~~~~~~~ Thanks; already reported, fixed and merged. Try tomorrow's linux-next.