Messages in this thread Patch in this message | | | From | Tejun Heo <> | Subject | [PATCH 12/31] sched: Add normal_policy() | Date | Tue, 29 Nov 2022 22:22:54 -1000 |
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Add normal_policy() which wraps testing for %SCHED_NORMAL. Makes no behavior change. Will be used by a new sched_class to expand what's considered normal policy.
Signed-off-by: Tejun Heo <tj@kernel.org> Reviewed-by: David Vernet <dvernet@meta.com> Acked-by: Josh Don <joshdon@google.com> Acked-by: Hao Luo <haoluo@google.com> Acked-by: Barret Rhoden <brho@google.com> --- kernel/sched/fair.c | 2 +- kernel/sched/sched.h | 8 +++++++- 2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 6cad7d07186b..1d71e74cb0ff 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -7441,7 +7441,7 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int wake_ * Batch and idle tasks do not preempt non-idle tasks (their preemption * is driven by the tick): */ - if (unlikely(p->policy != SCHED_NORMAL) || !sched_feat(WAKEUP_PREEMPTION)) + if (unlikely(!normal_policy(p->policy)) || !sched_feat(WAKEUP_PREEMPTION)) return; find_matching_se(&se, &pse); diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index ef8da88e677c..0741827e3541 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -182,9 +182,15 @@ static inline int idle_policy(int policy) { return policy == SCHED_IDLE; } + +static inline int normal_policy(int policy) +{ + return policy == SCHED_NORMAL; +} + static inline int fair_policy(int policy) { - return policy == SCHED_NORMAL || policy == SCHED_BATCH; + return normal_policy(policy) || policy == SCHED_BATCH; } static inline int rt_policy(int policy) -- 2.38.1
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