tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 40354149f4d738dc3492d9998e45b3f02950369a commit: 32be05f0e1b84564fa4e5d1810191a198c47f87b [4227/4328] mm: multi-gen LRU: support page table walks config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20220416/202204160827.ekEARWQo-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=32be05f0e1b84564fa4e5d1810191a198c47f87b git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 32be05f0e1b84564fa4e5d1810191a198c47f87b # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=m68k SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> mm/vmscan.c:3184:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *owner @@ mm/vmscan.c:3184:40: sparse: expected struct task_struct *p mm/vmscan.c:3184:40: sparse: got struct task_struct [noderef] __rcu *owner mm/vmscan.c:1329:28: sparse: sparse: context imbalance in '__remove_mapping' - unexpected unlock mm/vmscan.c:2203:33: sparse: sparse: context imbalance in 'folio_isolate_lru' - unexpected unlock mm/vmscan.c:2296:48: sparse: sparse: context imbalance in 'move_pages_to_lru' - unexpected unlock mm/vmscan.c: note: in included file (through include/linux/rculist.h, include/linux/pid.h, include/linux/sched.h, ...): include/linux/rcupdate.h:725:9: sparse: sparse: context imbalance in 'lru_gen_look_around' - different lock contexts for basic block mm/vmscan.c: note: in included file (through include/linux/swap.h): include/linux/memcontrol.h:1610:39: sparse: sparse: context imbalance in 'check_move_unevictable_pages' - unexpected unlock vim +3184 mm/vmscan.c 3171 3172 #ifdef CONFIG_MEMCG 3173 void lru_gen_migrate_mm(struct mm_struct *mm) 3174 { 3175 struct mem_cgroup *memcg; 3176 3177 lockdep_assert_held(&mm->owner->alloc_lock); 3178 3179 /* for mm_update_next_owner() */ 3180 if (mem_cgroup_disabled()) 3181 return; 3182 3183 rcu_read_lock(); > 3184 memcg = mem_cgroup_from_task(mm->owner); 3185 rcu_read_unlock(); 3186 if (memcg == mm->lru_gen.memcg) 3187 return; 3188 3189 VM_BUG_ON_MM(!mm->lru_gen.memcg, mm); 3190 VM_BUG_ON_MM(list_empty(&mm->lru_gen.list), mm); 3191 3192 lru_gen_del_mm(mm); 3193 lru_gen_add_mm(mm); 3194 } 3195 #endif 3196 -- 0-DAY CI Kernel Test Service https://01.org/lkp
