Re: [PATCH 02/11] cgroup: add level of indirection for cgroup_rstat struct

kernel test robot
2025-02-19T05:58:06Z

Hi JP,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tj-cgroup/for-next]
[also build test WARNING on bpf-next/master bpf/master linus/master v6.14-rc3 next-20250218]
[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/JP-Kobryn/cgroup-move-rstat-pointers-into-struct-of-their-own/20250218-111725
base: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-next
patch link: https://lore.kernel.org/r/20250218031448.46951-3-inwardvessel%40gmail.com
patch subject: [PATCH 02/11] cgroup: add level of indirection for cgroup_rstat struct
config: arc-randconfig-002-20250219 (https://download.01.org/0day-ci/archive/20250219/202502191307.zqD101Gp-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250219/202502191307.zqD101Gp-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/202502191307.zqD101Gp-lkp@intel.com/

All warnings (new ones prefixed by >>):

kernel/cgroup/rstat.c:416: warning: Function parameter or struct member 'rstat' not described in '__cgroup_rstat_flush_release'
>> kernel/cgroup/rstat.c:416: warning: expecting prototype for cgroup_rstat_flush_release(). Prototype was for __cgroup_rstat_flush_release() instead

vim +416 kernel/cgroup/rstat.c

6162cef0f741c7 Tejun Heo 2018-04-26 409
6162cef0f741c7 Tejun Heo 2018-04-26 410 /**
6162cef0f741c7 Tejun Heo 2018-04-26 411 * cgroup_rstat_flush_release - release cgroup_rstat_flush_hold()
97a46a66ad7d91 Jesper Dangaard Brouer 2024-04-17 412 * @cgrp: cgroup used by tracepoint
6162cef0f741c7 Tejun Heo 2018-04-26 413 */
3d844899ba042a JP Kobryn 2025-02-17 414 static void __cgroup_rstat_flush_release(struct cgroup_rstat *rstat)
0fa294fb1985c0 Tejun Heo 2018-04-26 415 __releases(&cgroup_rstat_lock)
6162cef0f741c7 Tejun Heo 2018-04-26 @416 {
3d844899ba042a JP Kobryn 2025-02-17 417 struct cgroup *cgrp = container_of(rstat, typeof(*cgrp), rstat);
3d844899ba042a JP Kobryn 2025-02-17 418
fc29e04ae1ad4c Jesper Dangaard Brouer 2024-04-16 419 __cgroup_rstat_unlock(cgrp, -1);
6162cef0f741c7 Tejun Heo 2018-04-26 420 }
6162cef0f741c7 Tejun Heo 2018-04-26 421

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