1469 			      char *buf)  in cgroup_file_name()  argument
1477 		snprintf(buf, CGROUP_FILE_NAME_MAX, "%s%s.%s",  in cgroup_file_name()
1481 		strscpy(buf, cft->name, CGROUP_FILE_NAME_MAX);  in cgroup_file_name()
1483 	return buf;  in cgroup_file_name()
1793 	char *buf = NULL;  in cgroup_show_path()  local
1797 	buf = kmalloc(PATH_MAX, GFP_KERNEL);  in cgroup_show_path()
1798 	if (!buf)  in cgroup_show_path()
1803 	len = kernfs_path_from_node(kf_node, ns_cgroup->kn, buf, PATH_MAX);  in cgroup_show_path()
1809 		seq_escape(sf, buf, " \t\n\\");  in cgroup_show_path()
1812 	kfree(buf);  in cgroup_show_path()
2290 int cgroup_path_ns_locked(struct cgroup *cgrp, char *buf, size_t buflen,  in cgroup_path_ns_locked()  argument
2295 	return kernfs_path_from_node(cgrp->kn, root->kn, buf, buflen);  in cgroup_path_ns_locked()
2298 int cgroup_path_ns(struct cgroup *cgrp, char *buf, size_t buflen,  in cgroup_path_ns()  argument
2306 	ret = cgroup_path_ns_locked(cgrp, buf, buflen, ns);  in cgroup_path_ns()
2328 int task_cgroup_path(struct task_struct *task, char *buf, size_t buflen)  in task_cgroup_path()  argument
2342 		ret = cgroup_path_ns_locked(cgrp, buf, buflen, &init_cgroup_ns);  in task_cgroup_path()
2345 		ret = strlcpy(buf, "/", buflen);  in task_cgroup_path()
2828 struct task_struct *cgroup_procs_write_start(char *buf, bool threadgroup)  in cgroup_procs_write_start()  argument
2834 	if (kstrtoint(strstrip(buf), 0, &pid) || pid < 0)  in cgroup_procs_write_start()
3275 					    char *buf, size_t nbytes,  in cgroup_subtree_control_write()  argument
3288 	buf = strstrip(buf);  in cgroup_subtree_control_write()
3289 	while ((tok = strsep(&buf, " "))) {  in cgroup_subtree_control_write()
3441 static ssize_t cgroup_type_write(struct kernfs_open_file *of, char *buf,  in cgroup_type_write()  argument
3448 	if (strcmp(strstrip(buf), "threaded"))  in cgroup_type_write()
3476 					   char *buf, size_t nbytes, loff_t off)  in cgroup_max_descendants_write()  argument
3482 	buf = strstrip(buf);  in cgroup_max_descendants_write()
3483 	if (!strcmp(buf, "max")) {  in cgroup_max_descendants_write()
3486 		ret = kstrtoint(buf, 0, &descendants);  in cgroup_max_descendants_write()
3519 				      char *buf, size_t nbytes, loff_t off)  in cgroup_max_depth_write()  argument
3525 	buf = strstrip(buf);  in cgroup_max_depth_write()
3526 	if (!strcmp(buf, "max")) {  in cgroup_max_depth_write()
3529 		ret = kstrtoint(buf, 0, &depth);  in cgroup_max_depth_write()
3624 static ssize_t cgroup_pressure_write(struct kernfs_open_file *of, char *buf,  in cgroup_pressure_write()  argument
3637 	new = psi_trigger_create(&cgrp->psi, buf, nbytes, res);  in cgroup_pressure_write()
3651 					  char *buf, size_t nbytes,  in cgroup_io_pressure_write()  argument
3654 	return cgroup_pressure_write(of, buf, nbytes, PSI_IO);  in cgroup_io_pressure_write()
3658 					  char *buf, size_t nbytes,  in cgroup_memory_pressure_write()  argument
3661 	return cgroup_pressure_write(of, buf, nbytes, PSI_MEM);  in cgroup_memory_pressure_write()
3665 					  char *buf, size_t nbytes,  in cgroup_cpu_pressure_write()  argument
3668 	return cgroup_pressure_write(of, buf, nbytes, PSI_CPU);  in cgroup_cpu_pressure_write()
3693 				   char *buf, size_t nbytes, loff_t off)  in cgroup_freeze_write()  argument
3699 	ret = kstrtoint(strstrip(buf), 0, &freeze);  in cgroup_freeze_write()
3734 static ssize_t cgroup_file_write(struct kernfs_open_file *of, char *buf,  in cgroup_file_write()  argument
3755 		return cft->write(of, buf, nbytes, off);  in cgroup_file_write()
3769 		ret = kstrtoull(buf, 0, &v);  in cgroup_file_write()
3774 		ret = kstrtoll(buf, 0, &v);  in cgroup_file_write()
4753 				  char *buf, size_t nbytes, loff_t off)  in cgroup_procs_write()  argument
4763 	task = cgroup_procs_write_start(buf, true);  in cgroup_procs_write()
4794 				    char *buf, size_t nbytes, loff_t off)  in cgroup_threads_write()  argument
4800 	buf = strstrip(buf);  in cgroup_threads_write()
4806 	task = cgroup_procs_write_start(buf, false);  in cgroup_threads_write()
5840 					char *buf, size_t buflen)  in cgroup_path_from_kernfs_id()  argument
5847 	kernfs_path(kn, buf, buflen);  in cgroup_path_from_kernfs_id()
5859 	char *buf;  in proc_cgroup_show()  local
5864 	buf = kmalloc(PATH_MAX, GFP_KERNEL);  in proc_cgroup_show()
5865 	if (!buf)  in proc_cgroup_show()
5902 			retval = cgroup_path_ns_locked(cgrp, buf, PATH_MAX,  in proc_cgroup_show()
5909 			seq_puts(m, buf);  in proc_cgroup_show()
5924 	kfree(buf);  in proc_cgroup_show()
6444 static ssize_t show_delegatable_files(struct cftype *files, char *buf,  in show_delegatable_files()  argument
6455 			ret += snprintf(buf + ret, size - ret, "%s.", prefix);  in show_delegatable_files()
6457 		ret += snprintf(buf + ret, size - ret, "%s\n", cft->name);  in show_delegatable_files()
6467 			      char *buf)  in delegate_show()  argument
6473 	ret = show_delegatable_files(cgroup_base_files, buf, PAGE_SIZE - ret,  in delegate_show()
6477 		ret += show_delegatable_files(ss->dfl_cftypes, buf + ret,  in delegate_show()
6486 			     char *buf)  in features_show()  argument
6488 	return snprintf(buf, PAGE_SIZE, "nsdelegate\nmemory_localevents\n");  in features_show()