Hi Lu, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 81a41d2ac1de43215c014bc71d907a026042e55b commit: 4a69b56540f40550585b9f93c35e415ac90bdecc [2385/14122] sched/psi: Introduce pressure.stat in psi config: loongarch-randconfig-r061-20240926 (https://download.01.org/0day-ci/archive/20240926/202409260923.Yh7ALQqg-lkp@i...) compiler: loongarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240926/202409260923.Yh7ALQqg-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/202409260923.Yh7ALQqg-lkp@intel.com/ All errors (new ones prefixed by >>):

...

kernel/cgroup/cgroup.c:3968:29: error: 'cgroup_psi_stat_show' undeclared here (not in a function); did you mean 'cgroup_stat_show'? 3968 | .seq_show = cgroup_psi_stat_show, | ^~~~~~~~~~~~~~~~~~~~ | cgroup_stat_show

vim +3968 kernel/cgroup/cgroup.c 3929 3930 struct cftype cgroup_v1_psi_files[] = { 3931 { 3932 .name = "io.pressure", 3933 .flags = CFTYPE_NO_PREFIX, 3934 .seq_show = cgroup_io_pressure_show, 3935 .write = cgroup_io_pressure_write, 3936 .poll = cgroup_pressure_poll, 3937 .release = cgroup_pressure_release, 3938 }, 3939 { 3940 .name = "memory.pressure", 3941 .flags = CFTYPE_NO_PREFIX, 3942 .seq_show = cgroup_memory_pressure_show, 3943 .write = cgroup_memory_pressure_write, 3944 .poll = cgroup_pressure_poll, 3945 .release = cgroup_pressure_release, 3946 }, 3947 { 3948 .name = "cpu.pressure", 3949 .flags = CFTYPE_NO_PREFIX, 3950 .seq_show = cgroup_cpu_pressure_show, 3951 .write = cgroup_cpu_pressure_write, 3952 .poll = cgroup_pressure_poll, 3953 .release = cgroup_pressure_release, 3954 }, 3955 #ifdef CONFIG_IRQ_TIME_ACCOUNTING 3956 { 3957 .name = "irq.pressure", 3958 .flags = CFTYPE_NO_PREFIX, 3959 .seq_show = cgroup_irq_pressure_show, 3960 .write = cgroup_irq_pressure_write, 3961 .poll = cgroup_pressure_poll, 3962 .release = cgroup_pressure_release, 3963 }, 3964 #endif 3965 { 3966 .name = "pressure.stat", 3967 .flags = CFTYPE_NO_PREFIX,

3968 .seq_show = cgroup_psi_stat_show, 3969 }, 3970 { } /* terminate */ 3971 }; 3972 #endif 3973 #else /* CONFIG_PSI */ 3974 bool cgroup_psi_enabled(void) 3975 { 3976 return false; 3977 } 3978

-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki