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| author | Dave Jones <davej@redhat.com> | 2006-09-05 17:20:21 -0400 |
|---|---|---|
| committer | Dave Jones <davej@redhat.com> | 2006-09-05 17:20:21 -0400 |
| commit | 115b384cf87249d76adb0b21aca11ee22128927d (patch) | |
| tree | f39a2a54863e9d82d1196906f92c82ab5991c6af /include/linux/delayacct.h | |
| parent | 8eb7925f93af75e66a240d148efdec212f95bcb7 (diff) | |
| parent | c336923b668fdcf0312efbec3b44895d713f4d81 (diff) | |
| download | linux-115b384cf87249d76adb0b21aca11ee22128927d.tar.gz linux-115b384cf87249d76adb0b21aca11ee22128927d.tar.bz2 linux-115b384cf87249d76adb0b21aca11ee22128927d.zip | |
Merge ../linus
Diffstat (limited to 'include/linux/delayacct.h')
| -rw-r--r-- | include/linux/delayacct.h | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/include/linux/delayacct.h b/include/linux/delayacct.h index 7e8b6011b8f3..561e2a77805c 100644 --- a/include/linux/delayacct.h +++ b/include/linux/delayacct.h @@ -55,14 +55,18 @@ static inline void delayacct_tsk_init(struct task_struct *tsk) { /* reinitialize in case parent's non-null pointer was dup'ed*/ tsk->delays = NULL; - if (unlikely(delayacct_on)) + if (delayacct_on) __delayacct_tsk_init(tsk); } -static inline void delayacct_tsk_exit(struct task_struct *tsk) +/* Free tsk->delays. Called from bad fork and __put_task_struct + * where there's no risk of tsk->delays being accessed elsewhere + */ +static inline void delayacct_tsk_free(struct task_struct *tsk) { if (tsk->delays) - __delayacct_tsk_exit(tsk); + kmem_cache_free(delayacct_cache, tsk->delays); + tsk->delays = NULL; } static inline void delayacct_blkio_start(void) @@ -80,9 +84,7 @@ static inline void delayacct_blkio_end(void) static inline int delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk) { - if (likely(!delayacct_on)) - return -EINVAL; - if (!tsk->delays) + if (!delayacct_on || !tsk->delays) return 0; return __delayacct_add_tsk(d, tsk); } @@ -103,7 +105,7 @@ static inline void delayacct_init(void) {} static inline void delayacct_tsk_init(struct task_struct *tsk) {} -static inline void delayacct_tsk_exit(struct task_struct *tsk) +static inline void delayacct_tsk_free(struct task_struct *tsk) {} static inline void delayacct_blkio_start(void) {} |