Re: [PATCH 7/7] [DISCUSSION] drm/gem: Add cgroup memory accounting

Re: [PATCH 7/7] [DISCUSSION] drm/gem: Add cgroup memory accounting

[kernel test robot]

Hi Maarten,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on drm-exynos/exynos-drm-next next-20241024]
[cannot apply to tj-cgroup/for-next drm-xe/drm-xe-next akpm-mm/mm-everything drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-misc/drm-misc-next drm-tip/drm-tip linus/master v6.12-rc4]
[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/Maarten-Lankhorst/kernel-cgroup-Add-dev-memory-accounting-cgroup/20241023-155504
base:   git://anongit.freedesktop.org/drm/drm drm-next
patch link:    https://lore.kernel.org/r/20241023075302.27194-8-maarten.lankhorst%40linux.intel.com
patch subject: [PATCH 7/7] [DISCUSSION] drm/gem: Add cgroup memory accounting
config: i386-buildonly-randconfig-002-20241024 (https://download.01.org/0day-ci/archive/20241024/202410242215.yXbniQdG-lkp@intel.com/config)
compiler: clang version 19.1.2 (https://github.com/llvm/llvm-project 7ba7d8e2f7b6445b60679da826210cdde29eaf8b)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241024/202410242215.yXbniQdG-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/202410242215.yXbniQdG-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/media/cec/core/cec-adap.c:15:
   In file included from include/linux/mm.h:2213:
   include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     518 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   In file included from drivers/media/cec/core/cec-adap.c:20:
   In file included from include/drm/drm_device.h:4:
>> include/linux/cgroup_dev.h:61:12: error: cannot combine with previous 'int' declaration specifier
      61 | static int int dev_cgroup_try_charge(struct dev_cgroup_device *cgdev,
         |            ^
>> include/linux/cgroup_dev.h:65:1: error: expected identifier or '('
      65 | {
         | ^
   1 warning and 2 errors generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for GET_FREE_REGION
   Depends on [n]: SPARSEMEM [=n]
   Selected by [y]:
   - RESOURCE_KUNIT_TEST [=y] && RUNTIME_TESTING_MENU [=y] && KUNIT [=y]


vim +/int +61 include/linux/cgroup_dev.h

487073b1855ef4 Maarten Lankhorst 2024-10-23  60  
487073b1855ef4 Maarten Lankhorst 2024-10-23 @61  static int int dev_cgroup_try_charge(struct dev_cgroup_device *cgdev,
487073b1855ef4 Maarten Lankhorst 2024-10-23  62  				     u32 index, u64 size,
487073b1855ef4 Maarten Lankhorst 2024-10-23  63  				     struct dev_cgroup_pool_state **ret_pool,
487073b1855ef4 Maarten Lankhorst 2024-10-23  64  				     struct dev_cgroup_pool_state **ret_limit_pool);
487073b1855ef4 Maarten Lankhorst 2024-10-23 @65  {
487073b1855ef4 Maarten Lankhorst 2024-10-23  66  	*ret_pool = NULL;
487073b1855ef4 Maarten Lankhorst 2024-10-23  67  
487073b1855ef4 Maarten Lankhorst 2024-10-23  68  	if (ret_limit_pool)
487073b1855ef4 Maarten Lankhorst 2024-10-23  69  		*ret_limit_pool = NULL;
487073b1855ef4 Maarten Lankhorst 2024-10-23  70  
487073b1855ef4 Maarten Lankhorst 2024-10-23  71  	return 0;
487073b1855ef4 Maarten Lankhorst 2024-10-23  72  }
487073b1855ef4 Maarten Lankhorst 2024-10-23  73  

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