tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 83b361e2942e85c04f931c63e78bc54215a2db25 commit: 433c0b72564239cf3086f563d5ca32a10e4ffd3f [2735/2735] sched/fair: Count the number of tasks marked as steal_task on cfs_rq config: x86_64-randconfig-103-20250211 (https://download.01.org/0day-ci/archive/20250211/202502112236.7nfqO8jT-lkp@i...) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250211/202502112236.7nfqO8jT-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/202502112236.7nfqO8jT-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from kernel/sched/fair.c:23: In file included from kernel/sched/sched.h:39: In file included from include/linux/blkdev.h:9: In file included from include/linux/genhd.h:20: In file included from include/linux/blk_types.h:11: In file included from include/linux/bvec.h:14: In file included from include/linux/mm.h:1587: include/linux/vmstat.h:417:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 417 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 418 | item]; | ~~~~ include/linux/vmstat.h:424:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 424 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 425 | NR_VM_NUMA_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:431:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 431 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:436:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 436 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 437 | NR_VM_NUMA_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/sched/fair.c:23: kernel/sched/sched.h:1864:15: warning: cast from 'void (*)(struct rq *)' to 'void (*)(struct callback_head *)' converts to incompatible function type [-Wcast-function-type-strict] 1864 | head->func = (void (*)(struct callback_head *))func; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/fair.c:4483:31: error: implicit declaration of function 'is_tg_steal' [-Werror,-Wimplicit-function-declaration] 4483 | return group_steal_used() && is_tg_steal(steal_task); | ^ kernel/sched/fair.c:4489:16: warning: variable 'time' set but not used [-Wunused-but-set-variable] 4489 | unsigned long time; | ^ kernel/sched/fair.c:4517:16: warning: variable 'time' set but not used [-Wunused-but-set-variable] 4517 | unsigned long time; | ^ kernel/sched/fair.c:6013:6: warning: no previous prototype for function 'init_cfs_bandwidth' [-Wmissing-prototypes] 6013 | void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) {} | ^ kernel/sched/fair.c:6013:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 6013 | void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) {} | ^ | static kernel/sched/fair.c:8191:16: warning: variable 'time' set but not used [-Wunused-but-set-variable] 8191 | unsigned long time; | ^ kernel/sched/fair.c:9185:16: warning: variable 'time' set but not used [-Wunused-but-set-variable] 9185 | unsigned long time; | ^ kernel/sched/fair.c:9944:29: error: implicit declaration of function 'is_tg_steal' [-Werror,-Wimplicit-function-declaration] 9944 | if (group_steal_used() && !is_tg_steal(tg->steal_task)) | ^ kernel/sched/fair.c:9944:43: error: incomplete definition of type 'struct task_group' 9944 | if (group_steal_used() && !is_tg_steal(tg->steal_task)) | ~~^ include/linux/sched.h:69:8: note: forward declaration of 'struct task_group' 69 | struct task_group; | ^ kernel/sched/fair.c:13961:6: warning: no previous prototype for function 'free_fair_sched_group' [-Wmissing-prototypes] 13961 | void free_fair_sched_group(struct task_group *tg) { } | ^ kernel/sched/fair.c:13961:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 13961 | void free_fair_sched_group(struct task_group *tg) { } | ^ | static kernel/sched/fair.c:13963:5: warning: no previous prototype for function 'alloc_fair_sched_group' [-Wmissing-prototypes] 13963 | int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent) | ^ kernel/sched/fair.c:13963:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 13963 | int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent) | ^ | static kernel/sched/fair.c:13968:6: warning: no previous prototype for function 'online_fair_sched_group' [-Wmissing-prototypes] 13968 | void online_fair_sched_group(struct task_group *tg) { } | ^ kernel/sched/fair.c:13968:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 13968 | void online_fair_sched_group(struct task_group *tg) { } | ^ | static kernel/sched/fair.c:13970:6: warning: no previous prototype for function 'unregister_fair_sched_group' [-Wmissing-prototypes] 13970 | void unregister_fair_sched_group(struct task_group *tg) { } | ^ kernel/sched/fair.c:13970:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 13970 | void unregister_fair_sched_group(struct task_group *tg) { } | ^ | static 14 warnings and 3 errors generated.
vim +/is_tg_steal +4483 kernel/sched/fair.c 4480 4481 static inline bool group_steal_enabled(int steal_task) 4482 {
4483 return group_steal_used() && is_tg_steal(steal_task); 4484 } 4485
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