Hi qiwu.chen, kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master] [also build test WARNING on v7.1-rc3] [cannot apply to akpm-mm/mm-everything trace/for-next next-20260508] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/qiwu-chen/mm-vmscan-rework-lru_shrink-and-write_folio-tracepoints/20260513-040720 base: linus/master patch link: https://lore.kernel.org/r/20260506083652.100160-1-qiwu.chen%40transsion.com patch subject: [PATCH v2] mm: vmscan: rework lru_shrink and write_folio tracepoints config: xtensa-randconfig-001-20260513 (https://download.01.org/0day-ci/archive/20260513/[email protected]/config) compiler: xtensa-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260513/[email protected]/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): In file included from include/trace/define_trace.h:132, from include/trace/events/vmscan.h:602, from mm/vmscan.c:72: include/trace/events/vmscan.h: In function 'trace_raw_output_mm_vmscan_write_folio': include/trace/events/vmscan.h:358:12: warning: format '%p' expects argument of type 'void *', but argument 3 has type 'long unsigned int' [-Wformat=] TP_printk("folio=%p lru=%s", ^~~~~~~~~~~~~~~~~ include/trace/trace_events.h:219:27: note: in definition of macro 'DECLARE_EVENT_CLASS' trace_event_printf(iter, print); \ ^~~~~ include/trace/trace_events.h:45:9: note: in expansion of macro 'PARAMS' PARAMS(print)); \ ^~~~~~ include/trace/events/vmscan.h:342:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(mm_vmscan_write_folio, ^~~~~~~~~~~ include/trace/events/vmscan.h:358:2: note: in expansion of macro 'TP_printk' TP_printk("folio=%p lru=%s", ^~~~~~~~~ In file included from include/trace/trace_events.h:256, from include/trace/define_trace.h:132, from include/trace/events/vmscan.h:602, from mm/vmscan.c:72: include/trace/events/vmscan.h:358:20: note: format string is defined here TP_printk("folio=%p lru=%s", ~^ %ld In file included from include/trace/define_trace.h:132, from include/trace/events/vmscan.h:602, from mm/vmscan.c:72: include/trace/events/vmscan.h: In function 'do_trace_event_raw_event_mm_vmscan_write_folio': >> include/trace/events/vmscan.h:354:18: warning: assignment to 'long unsigned >> int' from 'struct folio *' makes integer from pointer without a cast >> [-Wint-conversion] __entry->folio = folio; ^ include/trace/trace_events.h:427:4: note: in definition of macro '__DECLARE_EVENT_CLASS' { assign; } \ ^~~~~~ include/trace/trace_events.h:435:9: note: in expansion of macro 'PARAMS' PARAMS(assign), PARAMS(print)) \ ^~~~~~ include/trace/trace_events.h:40:2: note: in expansion of macro 'DECLARE_EVENT_CLASS' DECLARE_EVENT_CLASS(name, \ ^~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:44:9: note: in expansion of macro 'PARAMS' PARAMS(assign), \ ^~~~~~ include/trace/events/vmscan.h:342:1: note: in expansion of macro 'TRACE_EVENT' TRACE_EVENT(mm_vmscan_write_folio, ^~~~~~~~~~~ include/trace/events/vmscan.h:353:2: note: in expansion of macro 'TP_fast_assign' TP_fast_assign( ^~~~~~~~~~~~~~ vim +354 include/trace/events/vmscan.h 343 344 TP_PROTO(struct folio *folio), 345 346 TP_ARGS(folio), 347 348 TP_STRUCT__entry( 349 __field(unsigned long, folio) 350 __field(int, lru) 351 ), 352 353 TP_fast_assign( > 354 __entry->folio = folio; 355 __entry->lru = folio_lru_list(folio); 356 ), 357 358 TP_printk("folio=%p lru=%s", 359 __entry->folio, 360 __print_symbolic(__entry->lru, LRU_NAMES)) 361 ); 362 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
