tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: be758a5796c3d280deb877699c41fd0cd04e1deb commit: 02f32cc0235e33f7fc3e4910a80d386bc600935c [2909/2909] mm/mem_sampling:: Add proc and cmdline interface to control sampling enable config: arm64-randconfig-r121-20250923 (https://download.01.org/0day-ci/archive/20250923/202509231143.zSdArtSF-lkp@i...) compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250923/202509231143.zSdArtSF-lkp@i...) 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/202509231143.zSdArtSF-lkp@intel.com/ sparse warnings: (new ones prefixed by >>)
mm/mem_sampling.c:38:33: sparse: sparse: symbol 'mem_sampling_saved_state' was not declared. Should it be static? mm/mem_sampling.c:51:1: sparse: sparse: symbol 'mem_sampling_record_cb_list' was not declared. Should it be static? mm/mem_sampling.c:53:6: sparse: sparse: symbol 'mem_sampling_record_cb_register' was not declared. Should it be static? mm/mem_sampling.c:70:6: sparse: sparse: symbol 'mem_sampling_record_cb_unregister' was not declared. Should it be static? mm/mem_sampling.c:83:1: sparse: sparse: symbol 'mem_sampling_access_hints' was not declared. Should it be static?
vim +/mem_sampling_saved_state +38 mm/mem_sampling.c 32 33 enum mem_sampling_saved_state_e { 34 MEM_SAMPLING_STATE_ENABLE, 35 MEM_SAMPLING_STATE_DISABLE, 36 MEM_SAMPLING_STATE_EMPTY, 37 };
38 enum mem_sampling_saved_state_e mem_sampling_saved_state = MEM_SAMPLING_STATE_EMPTY; 39
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