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Commit 5710f15b authored by Yong Zhang's avatar Yong Zhang Committed by Ingo Molnar
Browse files

sched/cpupri: Remove cpupri->pri_active 



Since [sched/cpupri: Remove the vec->lock], member pri_active
of struct cpupri is not needed any more, just remove it. Also
clean stuff related to it.

Signed-off-by: default avatarYong Zhang <yong.zhang0@gmail.com>
Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20110806001004.GA2207@zhy


Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent d473750b

kernel/sched_cpupri.c

+1 −2
Original line number Diff line number Diff line
@@ -152,8 +152,7 @@ void cpupri_set(struct cpupri *cp, int cpu, int newpri) 
	 * If the cpu was currently mapped to a different value, we

	 * need to map it to the new value then remove the old value.

	 * Note, we must add the new value first, otherwise we risk the

	 * cpu being cleared from pri_active, and this cpu could be

	 * missed for a push or pull.

	 * cpu being missed by the priority loop in cpupri_find.

	 */

	if (likely(newpri != CPUPRI_INVALID)) {

		struct cpupri_vec *vec = &cp->pri_to_cpu[newpri];

kernel/sched_cpupri.h

+0 −2
Original line number Diff line number Diff line
@@ -4,7 +4,6 @@ 
#include <linux/sched.h>



#define CPUPRI_NR_PRIORITIES	(MAX_RT_PRIO + 2)

#define CPUPRI_NR_PRI_WORDS	BITS_TO_LONGS(CPUPRI_NR_PRIORITIES)



#define CPUPRI_INVALID -1

#define CPUPRI_IDLE     0
@@ -18,7 +17,6 @@ struct cpupri_vec { 


struct cpupri {

	struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES];

	long              pri_active[CPUPRI_NR_PRI_WORDS];

	int               cpu_to_pri[NR_CPUS];

};