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Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull scheduler fix from Ingo Molnar:
 "A delayacct statistics correctness fix"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  delayacct: Account blkio completion on the correct task
This commit is contained in:
Linus Torvalds 2018-01-17 12:28:22 -08:00
commit 9a4ba2ab08
3 changed files with 33 additions and 23 deletions
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8
include/linux/delayacct.h
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@ -71,7 +71,7 @@ extern void delayacct_init(void);
extern void __delayacct_tsk_init(struct task_struct *);
extern void __delayacct_tsk_exit(struct task_struct *);
extern void __delayacct_blkio_start(void);
extern void __delayacct_blkio_end(void);
extern void __delayacct_blkio_end(struct task_struct *);
extern int __delayacct_add_tsk(struct taskstats *, struct task_struct *);
extern __u64 __delayacct_blkio_ticks(struct task_struct *);
extern void __delayacct_freepages_start(void);
@ -122,10 +122,10 @@ static inline void delayacct_blkio_start(void)
__delayacct_blkio_start();
}
static inline void delayacct_blkio_end(void)
static inline void delayacct_blkio_end(struct task_struct *p)
{
if (current->delays)
__delayacct_blkio_end();
__delayacct_blkio_end(p);
delayacct_clear_flag(DELAYACCT_PF_BLKIO);
}
@ -169,7 +169,7 @@ static inline void delayacct_tsk_free(struct task_struct *tsk)
{}
static inline void delayacct_blkio_start(void)
{}
static inline void delayacct_blkio_end(void)
static inline void delayacct_blkio_end(struct task_struct *p)
{}
static inline int delayacct_add_tsk(struct taskstats *d,
struct task_struct *tsk)