tree: https://github.com/hnaz/linux-mm master head: 71e0d841ccd1c91e7038d385825e26342e87d198 commit: 56de161065643707f3a3a0fd0cc2c9e747148eae [16/188] mm/vmalloc: fix spinning drain_vmap_work after reading from /proc/vmcore config: um-x86_64_defconfig (https://download.01.org/0day-ci/archive/20220406/202204061005.jSc4B5gA-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.2.0-19) 11.2.0 reproduce (this is a W=1 build): # https://github.com/hnaz/linux-mm/commit/56de161065643707f3a3a0fd0cc2c9e747148eae git remote add hnaz-mm https://github.com/hnaz/linux-mm git fetch --no-tags hnaz-mm master git checkout 56de161065643707f3a3a0fd0cc2c9e747148eae # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=um SUBARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> mm/vmalloc.c:1747:6: warning: no previous prototype for 'iounmap_purge_vmap_area' [-Wmissing-prototypes] 1747 | void iounmap_purge_vmap_area(void) | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/iounmap_purge_vmap_area +1747 mm/vmalloc.c 1744 1745 #ifdef CONFIG_X86_64 1746 /* Called after iounmap() to immediately free vm_area_struct's. */ > 1747 void iounmap_purge_vmap_area(void) 1748 { 1749 mutex_lock(&vmap_purge_lock); 1750 __purge_vmap_area_lazy(ULONG_MAX, 0); 1751 mutex_unlock(&vmap_purge_lock); 1752 } 1753 #endif /* CONFIG_X86_64 */ 1754 -- 0-DAY CI Kernel Test Service https://01.org/lkp
