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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d358e5254674b70f34c847715ca509e46eb81e6f commit: b168ed458ddecc176f3b9a1f4bcd83d7a4541c14 kernel/cgroup: Add "dmem" memory accounting cgroup date: 11 months ago config: i386-randconfig-062-20251211 (https://download.01.org/0day-ci/archive/20251211/202512111220.cuUZGIQi-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251211/202512111220.cuUZGIQi-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202512111220.cuUZGIQi-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> kernel/cgroup/dmem.c:466:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/cgroup/dmem.c:466:9: sparse: struct list_head [noderef] __rcu * kernel/cgroup/dmem.c:466:9: sparse: struct list_head * >> kernel/cgroup/dmem.c:466:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/cgroup/dmem.c:466:9: sparse: struct list_head [noderef] __rcu * kernel/cgroup/dmem.c:466:9: sparse: struct list_head * vim +466 kernel/cgroup/dmem.c 447 448 /** 449 * dmem_cgroup_unregister_region() - Unregister a previously registered region. 450 * @region: The region to unregister. 451 * 452 * This function undoes dmem_cgroup_register_region. 453 */ 454 void dmem_cgroup_unregister_region(struct dmem_cgroup_region *region) 455 { 456 struct list_head *entry; 457 458 if (!region) 459 return; 460 461 spin_lock(&dmemcg_lock); 462 463 /* Remove from global region list */ 464 list_del_rcu(®ion->region_node); 465 > 466 list_for_each_rcu(entry, ®ion->pools) { 467 struct dmem_cgroup_pool_state *pool = 468 container_of(entry, typeof(*pool), region_node); 469 470 list_del_rcu(&pool->css_node); 471 } 472 473 /* 474 * Ensure any RCU based lookups fail. Additionally, 475 * no new pools should be added to the dead region 476 * by get_cg_pool_unlocked. 477 */ 478 region->unregistered = true; 479 spin_unlock(&dmemcg_lock); 480 481 kref_put(®ion->ref, dmemcg_free_region); 482 } 483 EXPORT_SYMBOL_GPL(dmem_cgroup_unregister_region); 484 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki