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delayacct: cleanup flags in struct task_delay_info and functions use it
Flags in struct task_delay_info is used to distinguish the difference between swapin and blkio delay acountings. But after patch "delayacct: support swapin delay accounting for swapping without blkio", there is no need to do that since swapin and blkio delay accounting use their own functions. Link: https://lkml.kernel.org/r/20211124065958.36703-1-yang.yang29@zte.com.cn Signed-off-by: Yang Yang <yang.yang29@zte.com.cn> Cc: Balbir Singh <bsingharora@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 0 additions and 17 deletions
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@ -12,7 +12,6 @@
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#ifdef CONFIG_TASK_DELAY_ACCT
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struct task_delay_info {
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raw_spinlock_t lock;
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unsigned int flags; /* Private per-task flags */
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/* For each stat XXX, add following, aligned appropriately
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*
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@ -74,18 +73,6 @@ extern void __delayacct_thrashing_end(void);
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extern void __delayacct_swapin_start(void);
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extern void __delayacct_swapin_end(void);
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static inline void delayacct_set_flag(struct task_struct *p, int flag)
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{
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if (p->delays)
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p->delays->flags |= flag;
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}
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static inline void delayacct_clear_flag(struct task_struct *p, int flag)
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{
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if (p->delays)
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p->delays->flags &= ~flag;
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}
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static inline void delayacct_tsk_init(struct task_struct *tsk)
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{
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/* reinitialize in case parent's non-null pointer was dup'ed*/
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@ -184,10 +171,6 @@ static inline void delayacct_swapin_end(void)
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}
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#else
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static inline void delayacct_set_flag(struct task_struct *p, int flag)
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{}
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static inline void delayacct_clear_flag(struct task_struct *p, int flag)
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{}
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static inline void delayacct_init(void)
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{}
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static inline void delayacct_tsk_init(struct task_struct *tsk)
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