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-rw-r--r--kernel/user.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/kernel/user.c b/kernel/user.c
index 9cb6f6403561..e91331c457e2 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -84,9 +84,6 @@ static struct user_struct *uid_hash_find(uid_t uid, struct hlist_head *hashent)
84 84
85#ifdef CONFIG_FAIR_USER_SCHED 85#ifdef CONFIG_FAIR_USER_SCHED
86 86
87static struct kobject uids_kobject; /* represents /sys/kernel/uids directory */
88static DEFINE_MUTEX(uids_mutex);
89
90static void sched_destroy_user(struct user_struct *up) 87static void sched_destroy_user(struct user_struct *up)
91{ 88{
92 sched_destroy_group(up->tg); 89 sched_destroy_group(up->tg);
@@ -108,6 +105,19 @@ static void sched_switch_user(struct task_struct *p)
108 sched_move_task(p); 105 sched_move_task(p);
109} 106}
110 107
108#else /* CONFIG_FAIR_USER_SCHED */
109
110static void sched_destroy_user(struct user_struct *up) { }
111static int sched_create_user(struct user_struct *up) { return 0; }
112static void sched_switch_user(struct task_struct *p) { }
113
114#endif /* CONFIG_FAIR_USER_SCHED */
115
116#if defined(CONFIG_FAIR_USER_SCHED) && defined(CONFIG_SYSFS)
117
118static struct kobject uids_kobject; /* represents /sys/kernel/uids directory */
119static DEFINE_MUTEX(uids_mutex);
120
111static inline void uids_mutex_lock(void) 121static inline void uids_mutex_lock(void)
112{ 122{
113 mutex_lock(&uids_mutex); 123 mutex_lock(&uids_mutex);
@@ -254,11 +264,8 @@ static inline void free_user(struct user_struct *up, unsigned long flags)
254 schedule_work(&up->work); 264 schedule_work(&up->work);
255} 265}
256 266
257#else /* CONFIG_FAIR_USER_SCHED */ 267#else /* CONFIG_FAIR_USER_SCHED && CONFIG_SYSFS */
258 268
259static void sched_destroy_user(struct user_struct *up) { }
260static int sched_create_user(struct user_struct *up) { return 0; }
261static void sched_switch_user(struct task_struct *p) { }
262static inline int user_kobject_create(struct user_struct *up) { return 0; } 269static inline int user_kobject_create(struct user_struct *up) { return 0; }
263static inline void uids_mutex_lock(void) { } 270static inline void uids_mutex_lock(void) { }
264static inline void uids_mutex_unlock(void) { } 271static inline void uids_mutex_unlock(void) { }
@@ -277,7 +284,7 @@ static inline void free_user(struct user_struct *up, unsigned long flags)
277 kmem_cache_free(uid_cachep, up); 284 kmem_cache_free(uid_cachep, up);
278} 285}
279 286
280#endif /* CONFIG_FAIR_USER_SCHED */ 287#endif
281 288
282/* 289/*
283 * Locate the user_struct for the passed UID. If found, take a ref on it. The 290 * Locate the user_struct for the passed UID. If found, take a ref on it. The