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author | Dave Jones <davej@redhat.com> | 2006-09-05 17:16:33 -0400 |
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committer | Dave Jones <davej@redhat.com> | 2006-09-05 17:16:33 -0400 |
commit | 23e735bc7b0e1d614656881794257b4224efda3a (patch) | |
tree | d9523b531156fedb204e31b4612519b0a7a003e7 /kernel/delayacct.c | |
parent | 3906f4edeef976c081c4e7bd92164d2f59c325ae (diff) | |
parent | c336923b668fdcf0312efbec3b44895d713f4d81 (diff) | |
download | op-kernel-dev-23e735bc7b0e1d614656881794257b4224efda3a.zip op-kernel-dev-23e735bc7b0e1d614656881794257b4224efda3a.tar.gz |
Merge ../linus
Diffstat (limited to 'kernel/delayacct.c')
-rw-r--r-- | kernel/delayacct.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/kernel/delayacct.c b/kernel/delayacct.c index 57ca373..36752f1 100644 --- 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; } |