Commit 2cca5426 authored Apr 21, 2020 by Peter Zijlstra

sched,psi: Convert to sched_set_fifo_low()



Because SCHED_FIFO is a broken scheduler model (see previous patches)
take away the priority field, the kernel can't possibly make an
informed decision.

Effectively no change.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>

parent ce1c8afd

kernel/sched/psi.c

+1 −4

Original line number	Diff line number	Diff line
		@@ -616,11 +616,8 @@ out:
		static int psi_poll_worker(void *data)
		{
		struct psi_group group = (struct psi_group )data;
		struct sched_param param = {
		.sched_priority = 1,
		};

		sched_setscheduler_nocheck(current, SCHED_FIFO, &param);
		sched_set_fifo_low(current);

		while (true) {
		wait_event_interruptible(group->poll_wait,

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