On Sat, Mar 01, 2025 at 01:31:30AM +0800, kernel test robot wrote: > Hi Brendan, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on d58172d128acbafa2295aa17cc96e28260da9a86] > > url: https://github.com/intel-lab-lkp/linux/commits/Brendan-Jackman/mm-page_alloc-Add-lockdep-assertion-for-pageblock-type-change/20250228-002107 > base: d58172d128acbafa2295aa17cc96e28260da9a86 > patch link: https://lore.kernel.org/r/20250227-pageblock-lockdep-v1-1-3701efb331bb%40google.com > patch subject: [PATCH] mm/page_alloc: Add lockdep assertion for pageblock type change > config: x86_64-buildonly-randconfig-002-20250228 (https://download.01.org/0day-ci/archive/20250301/202503010129.rJvGqZN1-lkp@xxxxxxxxx/config) > compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250301/202503010129.rJvGqZN1-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/202503010129.rJvGqZN1-lkp@xxxxxxxxx/ > > All errors (new ones prefixed by >>): > > In file included from mm/page_alloc.c:19: > In file included from include/linux/mm.h:2302: > include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] > 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" > | ~~~~~~~~~~~ ^ ~~~ > In file included from mm/page_alloc.c:44: > include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] > 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); > | ~~~~~~~~~~~ ^ ~~~ > include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] > 49 | NR_ZONE_LRU_BASE + lru, nr_pages); > | ~~~~~~~~~~~~~~~~ ^ ~~~ > >> mm/page_alloc.c:421:3: error: call to undeclared function 'in_mem_hotplug'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > 421 | in_mem_hotplug() || The patch is missing a dummy in_mem_hotplug() in the !CONFIG_MEMORY_HOTPLUG section of <linux/memory_hotplug.h>.