Hi Huanpeng, Thank you for the patch! Yet something to improve: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Huanpeng-Xin/mm-add-a-new-emergency-page-migratetype/20220606-113050 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything config: hexagon-randconfig-r026-20220612 (https://download.01.org/0day-ci/archive/20220612/202206121954.0XdxzVrV-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project ff4abe755279a3a47cc416ef80dbc900d9a98a19) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/c3dbdae8f54c1335f2cb92b379a6eab1253500c8 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Huanpeng-Xin/mm-add-a-new-emergency-page-migratetype/20220606-113050 git checkout c3dbdae8f54c1335f2cb92b379a6eab1253500c8 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): >> mm/page_alloc.c:2940:12: warning: format specifies type 'int' but the argument has type 'unsigned long' [-Wformat] nid, zone->nr_reserved_emergency); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/printk.h:528:37: note: expanded from macro 'pr_warn' printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:475:60: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:447:19: note: expanded from macro 'printk_index_wrap' _p_func(_fmt, ##__VA_ARGS__); \ ~~~~ ^~~~~~~~~~~ mm/page_alloc.c:2948:10: warning: format specifies type 'int' but the argument has type 'unsigned long' [-Wformat] nid, zone->nr_reserved_emergency); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/printk.h:548:34: note: expanded from macro 'pr_info' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:475:60: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/printk.h:447:19: note: expanded from macro 'printk_index_wrap' _p_func(_fmt, ##__VA_ARGS__); \ ~~~~ ^~~~~~~~~~~ >> mm/page_alloc.c:4215:10: error: no member named 'high_zoneidx' in 'struct alloc_context'; did you mean 'highest_zoneidx'? if (ac->high_zoneidx >= ZONE_NORMAL) { ^~~~~~~~~~~~ highest_zoneidx mm/internal.h:226:17: note: 'highest_zoneidx' declared here enum zone_type highest_zoneidx; ^ >> mm/page_alloc.c:4238:33: error: too few arguments to function call, expected 3, have 2 zone_statistics(z->zone, zone); ~~~~~~~~~~~~~~~ ^ mm/page_alloc.c:3697:20: note: 'zone_statistics' declared here static inline void zone_statistics(struct zone *preferred_zone, struct zone *z, ^ 2 warnings and 2 errors generated. vim +4215 mm/page_alloc.c 4204 4205 #ifdef CONFIG_EMERGENCY_MEMORY 4206 /* 4207 * get_emergency_page_from_freelist allocates pages in reserved memory 4208 * in the migration type MIGRATE_EMERGENCY. 4209 */ 4210 static struct page *get_emergency_page_from_freelist(gfp_t gfp_mask, unsigned int order, 4211 int alloc_flags, const struct alloc_context *ac, int migratetype) 4212 { 4213 struct page *page = NULL; 4214 > 4215 if (ac->high_zoneidx >= ZONE_NORMAL) { 4216 struct zoneref *z = ac->preferred_zoneref; 4217 struct pglist_data *pgdat = NODE_DATA(zonelist_node_idx(z)); 4218 struct zone *zone = &pgdat->node_zones[ZONE_NORMAL]; 4219 unsigned long flags; 4220 4221 if (cpusets_enabled() && 4222 (alloc_flags & ALLOC_CPUSET) && 4223 !__cpuset_zone_allowed(zone, gfp_mask)) 4224 return NULL; 4225 4226 spin_lock_irqsave(&zone->lock, flags); 4227 do { 4228 page = __rmqueue_smallest(zone, order, migratetype); 4229 } while (page && check_new_pages(page, order)); 4230 4231 spin_unlock(&zone->lock); 4232 4233 if (page) { 4234 __mod_zone_freepage_state(zone, -(1 << order), 4235 get_pcppage_migratetype(page)); 4236 4237 __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order); > 4238 zone_statistics(z->zone, zone); 4239 prep_new_page(page, order, gfp_mask, alloc_flags); 4240 } 4241 local_irq_restore(flags); 4242 } 4243 4244 return page; 4245 -- 0-DAY CI Kernel Test Service https://01.org/lkp
