tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 1e531b8351b843cd4a160764c0f67e4c9805234d commit: cf98ffbc116bc49dc4506c68e20b02e26519ad35 [1682/1682] mm/dynamic_pool: fill dpool with pagelist config: x86_64-randconfig-121-20250101 (https://download.01.org/0day-ci/archive/20250101/202501011500.zzJzjVne-lkp@i...) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250101/202501011500.zzJzjVne-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/202501011500.zzJzjVne-lkp@intel.com/

sparse warnings: (new ones prefixed by >>) mm/dynamic_pool.c:999:55: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct cgroup_subsys_state *css @@ got struct cgroup_subsys_state [noderef] __rcu * @@ mm/dynamic_pool.c:999:55: sparse: expected struct cgroup_subsys_state *css mm/dynamic_pool.c:999:55: sparse: got struct cgroup_subsys_state [noderef] __rcu *

...

mm/dynamic_pool.c:1577:25: sparse: sparse: symbol 'pagelist_dpool_ops' was not declared. Should it be static?

vim +/pagelist_dpool_ops +1577 mm/dynamic_pool.c

1576

1577 struct dynamic_pool_ops pagelist_dpool_ops = {

1578 .fill_pool = dpool_fill_from_pagelist, 1579 .drain_pool = dpool_drain_to_pagelist, 1580 .restore_pool = dpool_migrate_used_pages, 1581 }; 1582