[PATCH] Fix 'make headers_check' on biarch architectures

[pandora-kernel.git] / kernel / delayacct.c

diff --git a/kernel/delayacct.c b/kernel/delayacct.c
index 57ca373..36752f1 100644 (file)
--- a/kernel/delayacct.c
+++ b/kernel/delayacct.c
@@ -41,24 +41,11 @@ void delayacct_init(void)
 
 void __delayacct_tsk_init(struct task_struct *tsk)
 {
-       spin_lock_init(&tsk->delays_lock);
-       /* No need to acquire tsk->delays_lock for allocation here unless
-          __delayacct_tsk_init called after tsk is attached to tasklist
-       */
        tsk->delays = kmem_cache_zalloc(delayacct_cache, SLAB_KERNEL);
        if (tsk->delays)
                spin_lock_init(&tsk->delays->lock);
 }
 
-void __delayacct_tsk_exit(struct task_struct *tsk)
-{
-       struct task_delay_info *delays = tsk->delays;
-       spin_lock(&tsk->delays_lock);
-       tsk->delays = NULL;
-       spin_unlock(&tsk->delays_lock);
-       kmem_cache_free(delayacct_cache, delays);
-}
-
 /*
  * Start accounting for a delay statistic using
  * its starting timestamp (@start)
@@ -118,8 +105,6 @@ int __delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk)
        struct timespec ts;
        unsigned long t1,t2,t3;
 
-       spin_lock(&tsk->delays_lock);
-
        /* Though tsk->delays accessed later, early exit avoids
         * unnecessary returning of other data
         */
@@ -161,7 +146,6 @@ int __delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk)
        spin_unlock(&tsk->delays->lock);
 
 done:
-       spin_unlock(&tsk->delays_lock);
        return 0;
 }