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sched/eevdf: Remove min_vruntime_copy

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Since commit e8f331bcc2 ("sched/smp: Use lag to simplify
cross-runqueue placement") the min_vruntime_copy is no longer used.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Valentin Schneider <vschneid@redhat.com>
Tested-by: Valentin Schneider <vschneid@redhat.com>
Link: https://lkml.kernel.org/r/20240727105028.395297941@infradead.org
This commit is contained in:
Peter Zijlstra 2023-10-04 12:43:53 +02:00
parent f25b7b32b0
commit 949090eaf0
2 changed files with 2 additions and 7 deletions
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5
kernel/sched/fair.c
View File

@ -779,8 +779,7 @@ static void update_min_vruntime(struct cfs_rq *cfs_rq)
}
/* ensure we never gain time by being placed backwards. */
u64_u32_store(cfs_rq->min_vruntime,
__update_min_vruntime(cfs_rq, vruntime));
cfs_rq->min_vruntime = __update_min_vruntime(cfs_rq, vruntime);
}
static inline bool __entity_less(struct rb_node *a, const struct rb_node *b)
@ -12933,7 +12932,7 @@ static void set_next_task_fair(struct rq *rq, struct task_struct *p, bool first)
void init_cfs_rq(struct cfs_rq *cfs_rq)
{
cfs_rq->tasks_timeline = RB_ROOT_CACHED;
u64_u32_store(cfs_rq->min_vruntime, (u64)(-(1LL << 20)));
cfs_rq->min_vruntime = (u64)(-(1LL << 20));
#ifdef CONFIG_SMP
raw_spin_lock_init(&cfs_rq->removed.lock);
#endif

4
kernel/sched/sched.h
View File

@ -613,10 +613,6 @@ struct cfs_rq {
u64 min_vruntime_fi;
#endif
#ifndef CONFIG_64BIT
u64 min_vruntime_copy;
#endif
struct rb_root_cached tasks_timeline;
/*