From: kernel test robot <lkp@intel.com>
To: kernel@openeuler.org, yanhaitao <yanhaitao2@huawei.com>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [openeuler:OLK-6.6 2387/13948] kernel/sched/psi.c:178:13: warning: 'psi_avgs_work' used but never defined
Date: Sun, 15 Sep 2024 00:15:03 +0800 [thread overview]
Message-ID: <202409150029.IPJpZTLQ-lkp@intel.com> (raw)
tree: https://gitee.com/openeuler/kernel.git OLK-6.6
head: 1910604f7315d411c0c10359055daddee968441f
commit: 654944510822988390470cbc5b6f914c19dd9b88 [2387/13948] sched/psi: add cpu fine grained stall tracking in pressure.stat
config: loongarch-randconfig-r133-20240913 (https://download.01.org/0day-ci/archive/20240915/202409150029.IPJpZTLQ-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.1.0
reproduce: (https://download.01.org/0day-ci/archive/20240915/202409150029.IPJpZTLQ-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409150029.IPJpZTLQ-lkp@intel.com/
All warnings (new ones prefixed by >>):
kernel/sched/psi.c:1883:27: note: (near initialization for 'psi_memory_proc_ops.proc_poll')
kernel/sched/psi.c:1884:27: error: initializer element is not constant
1884 | .proc_release = psi_fop_release,
| ^~~~~~~~~~~~~~~
kernel/sched/psi.c:1884:27: note: (near initialization for 'psi_memory_proc_ops.proc_release')
kernel/sched/psi.c:1888:27: error: initializer element is not constant
1888 | .proc_open = psi_cpu_open,
| ^~~~~~~~~~~~
kernel/sched/psi.c:1888:27: note: (near initialization for 'psi_cpu_proc_ops.proc_open')
kernel/sched/psi.c:1891:27: error: initializer element is not constant
1891 | .proc_write = psi_cpu_write,
| ^~~~~~~~~~~~~
kernel/sched/psi.c:1891:27: note: (near initialization for 'psi_cpu_proc_ops.proc_write')
kernel/sched/psi.c:1892:27: error: initializer element is not constant
1892 | .proc_poll = psi_fop_poll,
| ^~~~~~~~~~~~
kernel/sched/psi.c:1892:27: note: (near initialization for 'psi_cpu_proc_ops.proc_poll')
kernel/sched/psi.c:1893:27: error: initializer element is not constant
1893 | .proc_release = psi_fop_release,
| ^~~~~~~~~~~~~~~
kernel/sched/psi.c:1893:27: note: (near initialization for 'psi_cpu_proc_ops.proc_release')
kernel/sched/psi.c:1907:13: error: invalid storage class for function 'get_stat_names'
1907 | static void get_stat_names(struct seq_file *m, int i, bool is_full)
| ^~~~~~~~~~~~~~
kernel/sched/psi.c:1953:12: error: invalid storage class for function 'system_psi_stat_show'
1953 | static int system_psi_stat_show(struct seq_file *m, void *v)
| ^~~~~~~~~~~~~~~~~~~~
kernel/sched/psi.c:1958:12: error: invalid storage class for function 'psi_stat_open'
1958 | static int psi_stat_open(struct inode *inode, struct file *file)
| ^~~~~~~~~~~~~
kernel/sched/psi.c:1964:27: error: initializer element is not constant
1964 | .proc_open = psi_stat_open,
| ^~~~~~~~~~~~~
kernel/sched/psi.c:1964:27: note: (near initialization for 'psi_stat_proc_ops.proc_open')
kernel/sched/psi.c:1967:27: error: initializer element is not constant
1967 | .proc_release = psi_fop_release,
| ^~~~~~~~~~~~~~~
kernel/sched/psi.c:1967:27: note: (near initialization for 'psi_stat_proc_ops.proc_release')
kernel/sched/psi.c:1998:19: error: invalid storage class for function 'psi_proc_init'
1998 | static int __init psi_proc_init(void)
| ^~~~~~~~~~~~~
In file included from include/linux/printk.h:6,
from include/linux/kernel.h:30:
kernel/sched/psi.c:2014:13: error: initializer element is not constant
2014 | module_init(psi_proc_init);
| ^~~~~~~~~~~~~
include/linux/init.h:270:55: note: in definition of macro '____define_initcall'
270 | __attribute__((__section__(__sec))) = fn;
| ^~
include/linux/init.h:280:9: note: in expansion of macro '__unique_initcall'
280 | __unique_initcall(fn, id, __sec, __initcall_id(fn))
| ^~~~~~~~~~~~~~~~~
include/linux/init.h:282:35: note: in expansion of macro '___define_initcall'
282 | #define __define_initcall(fn, id) ___define_initcall(fn, id, .initcall##id)
| ^~~~~~~~~~~~~~~~~~
include/linux/init.h:311:41: note: in expansion of macro '__define_initcall'
311 | #define device_initcall(fn) __define_initcall(fn, 6)
| ^~~~~~~~~~~~~~~~~
include/linux/init.h:316:24: note: in expansion of macro 'device_initcall'
316 | #define __initcall(fn) device_initcall(fn)
| ^~~~~~~~~~~~~~~
include/linux/module.h:88:25: note: in expansion of macro '__initcall'
88 | #define module_init(x) __initcall(x);
| ^~~~~~~~~~
kernel/sched/psi.c:2014:1: note: in expansion of macro 'module_init'
2014 | module_init(psi_proc_init);
| ^~~~~~~~~~~
In file included from kernel/sched/build_utility.c:101:
kernel/sched/membarrier.c:165:13: error: invalid storage class for function 'ipi_mb'
165 | static void ipi_mb(void *info)
| ^~~~~~
kernel/sched/membarrier.c:170:13: error: invalid storage class for function 'ipi_sync_core'
170 | static void ipi_sync_core(void *info)
| ^~~~~~~~~~~~~
kernel/sched/membarrier.c:187:13: error: invalid storage class for function 'ipi_rseq'
187 | static void ipi_rseq(void *info)
| ^~~~~~~~
kernel/sched/membarrier.c:200:13: error: invalid storage class for function 'ipi_sync_rq_state'
200 | static void ipi_sync_rq_state(void *info)
| ^~~~~~~~~~~~~~~~~
kernel/sched/membarrier.c:245:12: error: invalid storage class for function 'membarrier_global_expedited'
245 | static int membarrier_global_expedited(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/membarrier.c:310:12: error: invalid storage class for function 'membarrier_private_expedited'
310 | static int membarrier_private_expedited(int flags, int cpu_id)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/membarrier.c:426:12: error: invalid storage class for function 'sync_runqueues_membarrier_state'
426 | static int sync_runqueues_membarrier_state(struct mm_struct *mm)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/membarrier.c:483:12: error: invalid storage class for function 'membarrier_register_global_expedited'
483 | static int membarrier_register_global_expedited(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/membarrier.c:502:12: error: invalid storage class for function 'membarrier_register_private_expedited'
502 | static int membarrier_register_private_expedited(int flags)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/membarrier.c:544:12: error: invalid storage class for function 'membarrier_get_registrations'
544 | static int membarrier_get_registrations(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/compiler_types.h:153,
from <command-line>:
>> include/linux/compiler-gcc.h:132:33: warning: 'alias' attribute ignored [-Wattributes]
132 | #define __diag(s) _Pragma(__diag_str(GCC diagnostic s))
| ^~~~~~~
include/linux/compiler-gcc.h:135:33: note: in expansion of macro '__diag'
135 | #define __diag_GCC_8(s) __diag(s)
| ^~~~~~
include/linux/compiler-gcc.h:123:9: note: in expansion of macro '__diag_GCC_8'
123 | __diag_GCC_ ## version(__diag_GCC_ ## severity s)
| ^~~~~~~~~~~
include/linux/compiler_types.h:444:9: note: in expansion of macro '__diag_GCC'
444 | __diag_ ## compiler(version, ignore, option)
| ^~~~~~~
include/linux/syscalls.h:242:9: note: in expansion of macro '__diag_ignore'
242 | __diag_ignore(GCC, 8, "-Wattribute-alias", \
| ^~~~~~~~~~~~~
include/linux/syscalls.h:230:9: note: in expansion of macro '__SYSCALL_DEFINEx'
230 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:221:36: note: in expansion of macro 'SYSCALL_DEFINEx'
221 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
kernel/sched/membarrier.c:614:1: note: in expansion of macro 'SYSCALL_DEFINE3'
614 | SYSCALL_DEFINE3(membarrier, int, cmd, unsigned int, flags, int, cpu_id)
| ^~~~~~~~~~~~~~~
In file included from include/linux/syscalls_api.h:1,
from kernel/sched/sched.h:61,
from kernel/sched/build_utility.c:53:
include/linux/syscalls.h:247:28: error: invalid storage class for function '__do_sys_membarrier'
247 | static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
| ^~~~~~~~
include/linux/syscalls.h:230:9: note: in expansion of macro '__SYSCALL_DEFINEx'
230 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:221:36: note: in expansion of macro 'SYSCALL_DEFINEx'
221 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
kernel/sched/membarrier.c:614:1: note: in expansion of macro 'SYSCALL_DEFINE3'
614 | SYSCALL_DEFINE3(membarrier, int, cmd, unsigned int, flags, int, cpu_id)
| ^~~~~~~~~~~~~~~
include/linux/syscalls.h:249:25: error: static declaration of '__se_sys_membarrier' follows non-static declaration
249 | asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
| ^~~~~~~~
include/linux/syscalls.h:230:9: note: in expansion of macro '__SYSCALL_DEFINEx'
230 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:221:36: note: in expansion of macro 'SYSCALL_DEFINEx'
221 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
kernel/sched/membarrier.c:614:1: note: in expansion of macro 'SYSCALL_DEFINE3'
614 | SYSCALL_DEFINE3(membarrier, int, cmd, unsigned int, flags, int, cpu_id)
| ^~~~~~~~~~~~~~~
include/linux/syscalls.h:248:25: note: previous declaration of '__se_sys_membarrier' with type 'long int(long int, long int, long int)'
248 | asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
| ^~~~~~~~
include/linux/syscalls.h:230:9: note: in expansion of macro '__SYSCALL_DEFINEx'
230 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:221:36: note: in expansion of macro 'SYSCALL_DEFINEx'
221 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
kernel/sched/membarrier.c:614:1: note: in expansion of macro 'SYSCALL_DEFINE3'
614 | SYSCALL_DEFINE3(membarrier, int, cmd, unsigned int, flags, int, cpu_id)
| ^~~~~~~~~~~~~~~
kernel/sched/membarrier.c: In function '__se_sys_membarrier':
include/linux/syscalls.h:251:28: error: implicit declaration of function '__do_sys_membarrier'; did you mean '__se_sys_membarrier'? [-Wimplicit-function-declaration]
251 | long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
| ^~~~~~~~
include/linux/syscalls.h:230:9: note: in expansion of macro '__SYSCALL_DEFINEx'
230 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:221:36: note: in expansion of macro 'SYSCALL_DEFINEx'
221 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
kernel/sched/membarrier.c:614:1: note: in expansion of macro 'SYSCALL_DEFINE3'
614 | SYSCALL_DEFINE3(membarrier, int, cmd, unsigned int, flags, int, cpu_id)
| ^~~~~~~~~~~~~~~
kernel/sched/membarrier.c: In function 'record_stat_times':
include/linux/syscalls.h:257:28: error: invalid storage class for function '__do_sys_membarrier'
257 | static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
| ^~~~~~~~
include/linux/syscalls.h:230:9: note: in expansion of macro '__SYSCALL_DEFINEx'
230 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:221:36: note: in expansion of macro 'SYSCALL_DEFINEx'
221 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
kernel/sched/membarrier.c:614:1: note: in expansion of macro 'SYSCALL_DEFINE3'
614 | SYSCALL_DEFINE3(membarrier, int, cmd, unsigned int, flags, int, cpu_id)
| ^~~~~~~~~~~~~~~
In file included from kernel/sched/build_utility.c:109:
kernel/sched/autogroup.c:7:28: error: section attribute cannot be specified for local variables
7 | unsigned int __read_mostly sysctl_sched_autogroup_enabled = 1;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/autogroup.c:15:35: error: initializer element is not constant
15 | .data = &sysctl_sched_autogroup_enabled,
| ^
kernel/sched/autogroup.c:15:35: note: (near initialization for 'sched_autogroup_sysctls[0].data')
kernel/sched/autogroup.c:25:20: error: invalid storage class for function 'sched_autogroup_sysctl_init'
25 | static void __init sched_autogroup_sysctl_init(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/autogroup.c:47:20: error: invalid storage class for function 'autogroup_destroy'
47 | static inline void autogroup_destroy(struct kref *kref)
| ^~~~~~~~~~~~~~~~~
kernel/sched/autogroup.c:60:20: error: invalid storage class for function 'autogroup_kref_put'
60 | static inline void autogroup_kref_put(struct autogroup *ag)
| ^~~~~~~~~~~~~~~~~~
kernel/sched/autogroup.c:65:33: error: invalid storage class for function 'autogroup_kref_get'
65 | static inline struct autogroup *autogroup_kref_get(struct autogroup *ag)
| ^~~~~~~~~~~~~~~~~~
kernel/sched/autogroup.c:71:33: error: invalid storage class for function 'autogroup_task_get'
71 | static inline struct autogroup *autogroup_task_get(struct task_struct *p)
| ^~~~~~~~~~~~~~~~~~
kernel/sched/autogroup.c:85:33: error: invalid storage class for function 'autogroup_create'
85 | static inline struct autogroup *autogroup_create(void)
| ^~~~~~~~~~~~~~~~
kernel/sched/autogroup.c:158:1: error: invalid storage class for function 'autogroup_move_group'
158 | autogroup_move_group(struct task_struct *p, struct autogroup *ag)
| ^~~~~~~~~~~~~~~~~~~~
kernel/sched/autogroup.c:202:15: error: non-static declaration of 'sched_autogroup_create_attach' follows static declaration
202 | EXPORT_SYMBOL(sched_autogroup_create_attach);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/export.h:74:28: note: in definition of macro '__EXPORT_SYMBOL'
74 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:86:41: note: in expansion of macro '_EXPORT_SYMBOL'
86 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "")
| ^~~~~~~~~~~~~~
kernel/sched/autogroup.c:202:1: note: in expansion of macro 'EXPORT_SYMBOL'
202 | EXPORT_SYMBOL(sched_autogroup_create_attach);
| ^~~~~~~~~~~~~
kernel/sched/autogroup.c:193:6: note: previous definition of 'sched_autogroup_create_attach' with type 'void(struct task_struct *)'
193 | void sched_autogroup_create_attach(struct task_struct *p)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/sched/autogroup.c:209:15: error: non-static declaration of 'sched_autogroup_detach' follows static declaration
209 | EXPORT_SYMBOL(sched_autogroup_detach);
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/export.h:74:28: note: in definition of macro '__EXPORT_SYMBOL'
74 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:86:41: note: in expansion of macro '_EXPORT_SYMBOL'
86 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "")
| ^~~~~~~~~~~~~~
kernel/sched/autogroup.c:209:1: note: in expansion of macro 'EXPORT_SYMBOL'
209 | EXPORT_SYMBOL(sched_autogroup_detach);
| ^~~~~~~~~~~~~
kernel/sched/autogroup.c:205:6: note: previous definition of 'sched_autogroup_detach' with type 'void(struct task_struct *)'
205 | void sched_autogroup_detach(struct task_struct *p)
| ^~~~~~~~~~~~~~~~~~~~~~
kernel/sched/autogroup.c:221:19: error: invalid storage class for function 'setup_autogroup'
221 | static int __init setup_autogroup(char *str)
| ^~~~~~~~~~~~~~~
kernel/sched/autogroup.c:227:24: error: initializer element is not constant
227 | __setup("noautogroup", setup_autogroup);
| ^~~~~~~~~~~~~~~
include/linux/init.h:343:46: note: in definition of macro '__setup_param'
343 | = { __setup_str_##unique_id, fn, early }
| ^~
kernel/sched/autogroup.c:227:1: note: in expansion of macro '__setup'
227 | __setup("noautogroup", setup_autogroup);
| ^~~~~~~
kernel/sched/autogroup.c:227:24: note: (near initialization for '__setup_setup_autogroup.setup_func')
227 | __setup("noautogroup", setup_autogroup);
| ^~~~~~~~~~~~~~~
include/linux/init.h:343:46: note: in definition of macro '__setup_param'
343 | = { __setup_str_##unique_id, fn, early }
| ^~
kernel/sched/autogroup.c:227:1: note: in expansion of macro '__setup'
227 | __setup("noautogroup", setup_autogroup);
| ^~~~~~~
kernel/sched/build_utility.c:110: error: expected declaration or statement at end of input
110 | #endif
kernel/sched/psi.c: At top level:
>> kernel/sched/psi.c:178:13: warning: 'psi_avgs_work' used but never defined
178 | static void psi_avgs_work(struct work_struct *work);
| ^~~~~~~~~~~~~
>> kernel/sched/psi.c:180:13: warning: 'poll_timer_fn' used but never defined
180 | static void poll_timer_fn(struct timer_list *t);
| ^~~~~~~~~~~~~
>> kernel/sched/autogroup.c:285:5: warning: 'autogroup_path' defined but not used [-Wunused-function]
285 | int autogroup_path(struct task_group *tg, char *buf, int buflen)
| ^~~~~~~~~~~~~~
>> kernel/sched/autogroup.c:269:6: warning: 'proc_sched_autogroup_show_task' defined but not used [-Wunused-function]
269 | void proc_sched_autogroup_show_task(struct task_struct *p, struct seq_file *m)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/sched/autogroup.c:231:5: warning: 'proc_sched_autogroup_set_nice' defined but not used [-Wunused-function]
231 | int proc_sched_autogroup_set_nice(struct task_struct *p, int nice)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/sched/autogroup.c:216:6: warning: 'sched_autogroup_exit' defined but not used [-Wunused-function]
216 | void sched_autogroup_exit(struct signal_struct *sig)
| ^~~~~~~~~~~~~~~~~~~~
>> kernel/sched/autogroup.c:211:6: warning: 'sched_autogroup_fork' defined but not used [-Wunused-function]
211 | void sched_autogroup_fork(struct signal_struct *sig)
| ^~~~~~~~~~~~~~~~~~~~
>> kernel/sched/autogroup.c:147:6: warning: 'sched_autogroup_exit_task' defined but not used [-Wunused-function]
147 | void sched_autogroup_exit_task(struct task_struct *p)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/sched/autogroup.c:129:6: warning: 'task_wants_autogroup' defined but not used [-Wunused-function]
129 | bool task_wants_autogroup(struct task_struct *p, struct task_group *tg)
| ^~~~~~~~~~~~~~~~~~~~
>> kernel/sched/autogroup.c:42:6: warning: 'autogroup_free' defined but not used [-Wunused-function]
42 | void autogroup_free(struct task_group *tg)
| ^~~~~~~~~~~~~~
>> kernel/sched/autogroup.c:33:13: warning: 'autogroup_init' defined but not used [-Wunused-function]
33 | void __init autogroup_init(struct task_struct *init_task)
| ^~~~~~~~~~~~~~
>> include/linux/syscalls.h:249:25: warning: '__se_sys_membarrier' defined but not used [-Wunused-function]
249 | asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
| ^~~~~~~~
include/linux/syscalls.h:230:9: note: in expansion of macro '__SYSCALL_DEFINEx'
230 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~
include/linux/syscalls.h:221:36: note: in expansion of macro 'SYSCALL_DEFINEx'
221 | #define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~
kernel/sched/membarrier.c:614:1: note: in expansion of macro 'SYSCALL_DEFINE3'
614 | SYSCALL_DEFINE3(membarrier, int, cmd, unsigned int, flags, int, cpu_id)
| ^~~~~~~~~~~~~~~
>> kernel/sched/membarrier.c:233:6: warning: 'membarrier_update_current_mm' defined but not used [-Wunused-function]
233 | void membarrier_update_current_mm(struct mm_struct *next_mm)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> kernel/sched/membarrier.c:217:6: warning: 'membarrier_exec_mmap' defined but not used [-Wunused-function]
217 | void membarrier_exec_mmap(struct mm_struct *mm)
| ^~~~~~~~~~~~~~~~~~~~
>> kernel/sched/psi.c:1471:6: warning: 'psi_cgroup_restart' defined but not used [-Wunused-function]
1471 | void psi_cgroup_restart(struct psi_group *group)
| ^~~~~~~~~~~~~~~~~~
>> kernel/sched/psi.c:1416:6: warning: 'cgroup_move_task' defined but not used [-Wunused-function]
1416 | void cgroup_move_task(struct task_struct *task, struct css_set *to)
| ^~~~~~~~~~~~~~~~
>> kernel/sched/psi.c:1392:6: warning: 'psi_cgroup_free' defined but not used [-Wunused-function]
1392 | void psi_cgroup_free(struct cgroup *cgroup)
| ^~~~~~~~~~~~~~~
>> kernel/sched/psi.c:1373:5: warning: 'psi_cgroup_alloc' defined but not used [-Wunused-function]
1373 | int psi_cgroup_alloc(struct cgroup *cgroup)
| ^~~~~~~~~~~~~~~~
>> kernel/sched/psi.c:1168:6: warning: 'psi_task_switch' defined but not used [-Wunused-function]
1168 | void psi_task_switch(struct task_struct *prev, struct task_struct *next,
| ^~~~~~~~~~~~~~~
kernel/sched/psi.c:949:13: warning: 'poll_timer_fn' defined but not used [-Wunused-function]
949 | static void poll_timer_fn(struct timer_list *t)
| ^~~~~~~~~~~~~
vim +/psi_avgs_work +178 kernel/sched/psi.c
eb414681d5a07d2 Johannes Weiner 2018-10-26 177
bcc78db64168eb6 Suren Baghdasaryan 2019-05-14 @178 static void psi_avgs_work(struct work_struct *work);
eb414681d5a07d2 Johannes Weiner 2018-10-26 179
8f91efd870ea5d8 Zhaoyang Huang 2021-06-11 @180 static void poll_timer_fn(struct timer_list *t);
8f91efd870ea5d8 Zhaoyang Huang 2021-06-11 181
:::::: The code at line 178 was first introduced by commit
:::::: bcc78db64168eb6dede056fed2999f75f7ace309 psi: rename psi fields in preparation for psi trigger addition
:::::: TO: Suren Baghdasaryan <surenb@google.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
--
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https://github.com/intel/lkp-tests/wiki
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