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Commit 893e2c5c authored by Linus Torvalds's avatar Linus Torvalds
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Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

Pull scheduler fix from Ingo Molnar:
 "This fixes a group scheduling related performance/interactivity
  regression introduced in v4.8, which affects certain hardware
  environments where cpu_possible_mask != cpu_present_mask"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/fair: Fix incorrect task group ->load_avg
parents 8a1e377e b5a9b340

kernel/sched/fair.c

+8 −1
Original line number Diff line number Diff line
@@ -690,6 +690,13 @@ void init_entity_runnable_average(struct sched_entity *se) 
	 * will definitely be update (after enqueue).

	 */

	sa->period_contrib = 1023;

	/*

	 * Tasks are intialized with full load to be seen as heavy tasks until

	 * they get a chance to stabilize to their real load level.

	 * Group entities are intialized with zero load to reflect the fact that

	 * nothing has been attached to the task group yet.

	 */

	if (entity_is_task(se))

		sa->load_avg = scale_load_down(se->load.weight);

	sa->load_sum = sa->load_avg * LOAD_AVG_MAX;

	/*