From: kernel test robot <lkp@intel.com>
To: "qiwu.chen" <qiwuchen55@gmail.com>,
rostedt@goodmis.org, mhiramat@kernel.org,
akpm@linux-foundation.org, hannes@cmpxchg.org, david@kernel.org,
mhocko@kernel.org, willy@infradead.org
Cc: oe-kbuild-all@lists.linux.dev,
linux-trace-kernel@vger.kernel.org, linux-mm@kvack.org,
"qiwu.chen" <qiwu.chen@transsion.com>
Subject: Re: [PATCH v2] mm: vmscan: rework lru_shrink and write_folio tracepoints
Date: Wed, 13 May 2026 08:45:49 +0800 [thread overview]
Message-ID: <202605130842.zWTTtyaL-lkp@intel.com> (raw)
In-Reply-To: <20260506083652.100160-1-qiwu.chen@transsion.com>
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: sh-defconfig (https://download.01.org/0day-ci/archive/20260513/202605130842.zWTTtyaL-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260513/202605130842.zWTTtyaL-lkp@intel.com/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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605130842.zWTTtyaL-lkp@intel.com/
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:358:19: warning: format '%p' expects argument of type 'void *', but argument 3 has type 'long unsigned int' [-Wformat=]
358 | TP_printk("folio=%p lru=%s",
| ^~~~~~~~~~~~~~~~~
include/trace/trace_events.h:219:34: note: in definition of macro 'DECLARE_EVENT_CLASS'
219 | trace_event_printf(iter, print); \
| ^~~~~
include/trace/trace_events.h:45:30: note: in expansion of macro 'PARAMS'
45 | PARAMS(print)); \
| ^~~~~~
include/trace/events/vmscan.h:342:1: note: in expansion of macro 'TRACE_EVENT'
342 | TRACE_EVENT(mm_vmscan_write_folio,
| ^~~~~~~~~~~
include/trace/events/vmscan.h:358:9: note: in expansion of macro 'TP_printk'
358 | TP_printk("folio=%p lru=%s",
| ^~~~~~~~~
In file included from include/trace/trace_events.h:256:
include/trace/events/vmscan.h:358:27: note: format string is defined here
358 | TP_printk("folio=%p lru=%s",
| ~^
| |
| void *
| %ld
include/trace/events/vmscan.h: In function 'do_trace_event_raw_event_mm_vmscan_write_folio':
include/trace/events/vmscan.h:354:32: error: assignment to 'long unsigned int' from 'struct folio *' makes integer from pointer without a cast [-Wint-conversion]
354 | __entry->folio = folio;
| ^
include/trace/trace_events.h:427:11: note: in definition of macro '__DECLARE_EVENT_CLASS'
427 | { assign; } \
| ^~~~~~
include/trace/trace_events.h:435:23: note: in expansion of macro 'PARAMS'
435 | PARAMS(assign), PARAMS(print)) \
| ^~~~~~
include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS'
40 | DECLARE_EVENT_CLASS(name, \
| ^~~~~~~~~~~~~~~~~~~
include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS'
44 | PARAMS(assign), \
| ^~~~~~
include/trace/events/vmscan.h:342:1: note: in expansion of macro 'TRACE_EVENT'
342 | TRACE_EVENT(mm_vmscan_write_folio,
| ^~~~~~~~~~~
include/trace/events/vmscan.h:353:9: note: in expansion of macro 'TP_fast_assign'
353 | TP_fast_assign(
| ^~~~~~~~~~~~~~
In file included from include/trace/define_trace.h:133:
include/trace/events/vmscan.h: In function 'do_perf_trace_mm_vmscan_write_folio':
include/trace/events/vmscan.h:354:32: error: assignment to 'long unsigned int' from 'struct folio *' makes integer from pointer without a cast [-Wint-conversion]
354 | __entry->folio = folio;
| ^
include/trace/perf.h:51:11: note: in definition of macro '__DECLARE_EVENT_CLASS'
51 | { assign; } \
| ^~~~~~
include/trace/perf.h:67:23: note: in expansion of macro 'PARAMS'
67 | PARAMS(assign), PARAMS(print)) \
| ^~~~~~
include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS'
40 | DECLARE_EVENT_CLASS(name, \
| ^~~~~~~~~~~~~~~~~~~
include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS'
44 | PARAMS(assign), \
| ^~~~~~
include/trace/events/vmscan.h:342:1: note: in expansion of macro 'TRACE_EVENT'
342 | TRACE_EVENT(mm_vmscan_write_folio,
| ^~~~~~~~~~~
include/trace/events/vmscan.h:353:9: note: in expansion of macro 'TP_fast_assign'
353 | TP_fast_assign(
| ^~~~~~~~~~~~~~
vim +358 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
next prev parent reply other threads:[~2026-05-13 0:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-06 8:36 [PATCH v2] mm: vmscan: rework lru_shrink and write_folio tracepoints qiwu.chen
2026-05-08 23:47 ` Andrew Morton
2026-05-10 0:27 ` chenqiwu
2026-05-09 1:29 ` Andrew Morton
2026-05-10 0:36 ` chenqiwu
2026-05-13 0:45 ` kernel test robot [this message]
2026-05-13 1:19 ` kernel test robot
2026-05-13 3:04 ` kernel test robot
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