tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 20af1ca418d2c0b11bc2a1fe8c0c88f67bcc2a7e commit: 2258bdebb55e3ad3d30fd3849ddb955ff36825de [10516/10830] mm/zsmalloc: don't hold locks of all pages when free_zspage() config: m68k-hp300_defconfig (https://download.01.org/0day-ci/archive/20240228/202402282356.8HzbImAg-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240228/202402282356.8HzbImAg-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202402282356.8HzbImAg-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> mm/zsmalloc.c:742:23: warning: 'get_zspage_lockless' defined but not used [-Wunused-function] 742 | static struct zspage *get_zspage_lockless(struct page *page) | ^~~~~~~~~~~~~~~~~~~ mm/zsmalloc.c:288:13: warning: 'kick_deferred_free' defined but not used [-Wunused-function] 288 | static void kick_deferred_free(struct zs_pool *pool) {} | ^~~~~~~~~~~~~~~~~~ vim +/get_zspage_lockless +742 mm/zsmalloc.c 740 741 /* Only used in zs_page_migrate() to get zspage locklessly. */ > 742 static struct zspage *get_zspage_lockless(struct page *page) 743 { 744 struct zspage __rcu **private = (struct zspage __rcu **)&page->private; 745 746 return rcu_dereference(*private); 747 } 748 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki