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| author | Dietmar Eggemann <dietmar.eggemann@arm.com> | 2022-03-02 21:34:29 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-03-08 18:08:39 +0300 |
| commit | f1304ecbef3c9f4aec119ce2a07335d3a0bc55a6 (patch) | |
| tree | 0fac490f0aa5bff5950657c638073af30955424e /kernel/sched/sched.h | |
| parent | eb77cf1c151c4a1c2147cbf24d84bcf0ba504e7c (diff) | |
| download | linux-f1304ecbef3c9f4aec119ce2a07335d3a0bc55a6.tar.xz | |
sched/deadline: Move bandwidth mgmt and reclaim functions into sched class source file
Move the deadline bandwidth management (admission control) functions
__dl_add(), __dl_sub() and __dl_overflow() as well as the bandwidth
reclaim function __dl_update() from private task scheduler header file
to the deadline sched class source file.
The functions are only used internally so they don't have to be
exported.
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Juri Lelli <juri.lelli@redhat.com>
Link: https://lore.kernel.org/r/20220302183433.333029-3-dietmar.eggemann@arm.com
Diffstat (limited to 'kernel/sched/sched.h')
| -rw-r--r-- | kernel/sched/sched.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index a8b8516b8452..4dfc3b02df61 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -301,29 +301,6 @@ struct dl_bw { u64 total_bw; }; -static inline void __dl_update(struct dl_bw *dl_b, s64 bw); - -static inline -void __dl_sub(struct dl_bw *dl_b, u64 tsk_bw, int cpus) -{ - dl_b->total_bw -= tsk_bw; - __dl_update(dl_b, (s32)tsk_bw / cpus); -} - -static inline -void __dl_add(struct dl_bw *dl_b, u64 tsk_bw, int cpus) -{ - dl_b->total_bw += tsk_bw; - __dl_update(dl_b, -((s32)tsk_bw / cpus)); -} - -static inline bool __dl_overflow(struct dl_bw *dl_b, unsigned long cap, - u64 old_bw, u64 new_bw) -{ - return dl_b->bw != -1 && - cap_scale(dl_b->bw, cap) < dl_b->total_bw - old_bw + new_bw; -} - /* * Verify the fitness of task @p to run on @cpu taking into account the * CPU original capacity and the runtime/deadline ratio of the task. @@ -2748,32 +2725,6 @@ extern void nohz_run_idle_balance(int cpu); static inline void nohz_run_idle_balance(int cpu) { } #endif -#ifdef CONFIG_SMP -static inline -void __dl_update(struct dl_bw *dl_b, s64 bw) -{ - struct root_domain *rd = container_of(dl_b, struct root_domain, dl_bw); - int i; - - RCU_LOCKDEP_WARN(!rcu_read_lock_sched_held(), - "sched RCU must be held"); - for_each_cpu_and(i, rd->span, cpu_active_mask) { - struct rq *rq = cpu_rq(i); - - rq->dl.extra_bw += bw; - } -} -#else -static inline -void __dl_update(struct dl_bw *dl_b, s64 bw) -{ - struct dl_rq *dl = container_of(dl_b, struct dl_rq, dl_bw); - - dl->extra_bw += bw; -} -#endif - - #ifdef CONFIG_IRQ_TIME_ACCOUNTING struct irqtime { u64 total; |