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Commit 4c1a26c9 authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "sched/fair: dont run energy calculation unless necessary"

parents 37ca4aa7 10f7dc07

kernel/sched/fair.c

+13 −0
Original line number Diff line number Diff line
@@ -7425,6 +7425,19 @@ static inline int find_best_target(struct task_struct *p, int *backup_cpu, 
	if (*backup_cpu == target_cpu)

		*backup_cpu = -1;



	/*

	 * The next step of energy evaluation includes

	 * prev_cpu. Drop target or backup if it is

	 * same as prev_cpu

	 */

	if (*backup_cpu == prev_cpu)

		*backup_cpu = -1;



	if (target_cpu == prev_cpu) {

		target_cpu = *backup_cpu;

		*backup_cpu = -1;

	}



	return target_cpu;

}