15 #define ucounts_hashfn(ns, uid)						\  argument
16 	hash_long((unsigned long)__kuid_val(uid) + (unsigned long)(ns), \
18 #define ucounts_hashentry(ns, uid)	\  argument
19 	(ucounts_hashtable + ucounts_hashfn(ns, uid))
80 bool setup_userns_sysctls(struct user_namespace *ns)  in setup_userns_sysctls()  argument
84 	setup_sysctl_set(&ns->set, &set_root, set_is_seen);  in setup_userns_sysctls()
89 			tbl[i].data = &ns->ucount_max[i];  in setup_userns_sysctls()
91 		ns->sysctls = __register_sysctl_table(&ns->set, "user", tbl);  in setup_userns_sysctls()
93 	if (!ns->sysctls) {  in setup_userns_sysctls()
95 		retire_sysctl_set(&ns->set);  in setup_userns_sysctls()
102 void retire_userns_sysctls(struct user_namespace *ns)  in retire_userns_sysctls()  argument
107 	tbl = ns->sysctls->ctl_table_arg;  in retire_userns_sysctls()
108 	unregister_sysctl_table(ns->sysctls);  in retire_userns_sysctls()
109 	retire_sysctl_set(&ns->set);  in retire_userns_sysctls()
114 static struct ucounts *find_ucounts(struct user_namespace *ns, kuid_t uid, struct hlist_head *hashe…  in find_ucounts()  argument
119 		if (uid_eq(ucounts->uid, uid) && (ucounts->ns == ns))  in find_ucounts()
125 static struct ucounts *get_ucounts(struct user_namespace *ns, kuid_t uid)  in get_ucounts()  argument
127 	struct hlist_head *hashent = ucounts_hashentry(ns, uid);  in get_ucounts()
131 	ucounts = find_ucounts(ns, uid, hashent);  in get_ucounts()
139 		new->ns = ns;  in get_ucounts()
144 		ucounts = find_ucounts(ns, uid, hashent);  in get_ucounts()
189 struct ucounts *inc_ucount(struct user_namespace *ns, kuid_t uid,  in inc_ucount()  argument
194 	ucounts = get_ucounts(ns, uid);  in inc_ucount()
197 		tns = iter->ns;  in inc_ucount()
205 	for (iter = ucounts; iter != bad; iter = iter->ns->ucounts)  in inc_ucount()
215 	for (iter = ucounts; iter; iter = iter->ns->ucounts) {  in dec_ucount()