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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 09:11:18 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 09:11:18 -0700
commite6d5a11dad44b8ae18ca8fc4ecb72ccccfa0a2d2 (patch)
tree7e3837c8f28e2e969a7b7d040b00676c90bf72c7 /kernel/user.c
parentb6257a9036f06878a0f02354d5a07f155e1cfee0 (diff)
parentb9dca1e0fcb696716840a3bc8f20a6941b484dbf (diff)
downloadlwn-e6d5a11dad44b8ae18ca8fc4ecb72ccccfa0a2d2.tar.gz
lwn-e6d5a11dad44b8ae18ca8fc4ecb72ccccfa0a2d2.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: sched: fix new task startup crash sched: fix !SYSFS build breakage sched: fix improper load balance across sched domain sched: more robust sd-sysctl entry freeing
Diffstat (limited to 'kernel/user.c')
-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)
#ifdef CONFIG_FAIR_USER_SCHED
-static struct kobject uids_kobject; /* represents /sys/kernel/uids directory */
-static DEFINE_MUTEX(uids_mutex);
-
static void sched_destroy_user(struct user_struct *up)
{
sched_destroy_group(up->tg);
@@ -108,6 +105,19 @@ static void sched_switch_user(struct task_struct *p)
sched_move_task(p);
}
+#else /* CONFIG_FAIR_USER_SCHED */
+
+static void sched_destroy_user(struct user_struct *up) { }
+static int sched_create_user(struct user_struct *up) { return 0; }
+static void sched_switch_user(struct task_struct *p) { }
+
+#endif /* CONFIG_FAIR_USER_SCHED */
+
+#if defined(CONFIG_FAIR_USER_SCHED) && defined(CONFIG_SYSFS)
+
+static struct kobject uids_kobject; /* represents /sys/kernel/uids directory */
+static DEFINE_MUTEX(uids_mutex);
+
static inline void uids_mutex_lock(void)
{
mutex_lock(&uids_mutex);
@@ -254,11 +264,8 @@ static inline void free_user(struct user_struct *up, unsigned long flags)
schedule_work(&up->work);
}
-#else /* CONFIG_FAIR_USER_SCHED */
+#else /* CONFIG_FAIR_USER_SCHED && CONFIG_SYSFS */
-static void sched_destroy_user(struct user_struct *up) { }
-static int sched_create_user(struct user_struct *up) { return 0; }
-static void sched_switch_user(struct task_struct *p) { }
static inline int user_kobject_create(struct user_struct *up) { return 0; }
static inline void uids_mutex_lock(void) { }
static inline void uids_mutex_unlock(void) { }
@@ -277,7 +284,7 @@ static inline void free_user(struct user_struct *up, unsigned long flags)
kmem_cache_free(uid_cachep, up);
}
-#endif /* CONFIG_FAIR_USER_SCHED */
+#endif
/*
* Locate the user_struct for the passed UID. If found, take a ref on it. The