Hi Dave, kernel test robot noticed the following build errors:
[auto build test ERROR on drm/drm-next] [cannot apply to akpm-mm/mm-everything linus/master v6.16-rc7 next-20250722] [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/Dave-Airlie/drm-ttm-use-gpu-mm-stats-to-track-gpu-memory-allocations-v4/20250722-104402 base: git://anongit.freedesktop.org/drm/drm drm-next patch link: https://lore.kernel.org/r/20250722014942.1878844-16-airlied%40gmail.com patch subject: [PATCH 15/15] ttm: add support for a module option to disable memcg integration config: x86_64-buildonly-randconfig-001-20250722 (https://download.01.org/0day-ci/archive/20250723/202507230039.eesybnue-...@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250723/202507230039.eesybnue-...@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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202507230039.eesybnue-...@intel.com/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/ttm/ttm_pool.c:132:27: error: 'CONFIG_DRM_TTM_MEMCG' >> undeclared here (not in a function); did you mean 'CONFIG_DRM_TTM_HELPER'? 132 | #define DEFAULT_TTM_MEMCG CONFIG_DRM_TTM_MEMCG | ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/ttm/ttm_pool.c:133:25: note: in expansion of macro 'DEFAULT_TTM_MEMCG' 133 | static bool ttm_memcg = DEFAULT_TTM_MEMCG; | ^~~~~~~~~~~~~~~~~ vim +132 drivers/gpu/drm/ttm/ttm_pool.c 120 121 /* 122 * Don't use the memcg aware lru for pooled pages. 123 * 124 * There are use-cases where for example one application in a cgroup will preallocate 1GB 125 * of uncached pages, and immediately release them into the pool, for other consumers 126 * to use. This use-case could be handled with a proper cgroup hierarchy, but to allow 127 * that use case to continue to operate as-is, add a module option. 128 * 129 * This still stores the pages in the list_lru, it just doesn't use the memcg when 130 * adding/removing them. 131 */ > 132 #define DEFAULT_TTM_MEMCG CONFIG_DRM_TTM_MEMCG 133 static bool ttm_memcg = DEFAULT_TTM_MEMCG; 134 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki