Commit 5710f15b52664ae0bfa60a66d75464769d297b2b

Authored by Yong Zhang
Committed by Ingo Molnar
1 parent d473750b40

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: Yong Zhang <yong.zhang0@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20110806001004.GA2207@zhy
Signed-off-by: Ingo Molnar <mingo@elte.hu>

Showing 2 changed files with 1 additions and 4 deletions Side-by-side Diff

kernel/sched_cpupri.c
... ... @@ -152,8 +152,7 @@
152 152 * If the cpu was currently mapped to a different value, we
153 153 * need to map it to the new value then remove the old value.
154 154 * Note, we must add the new value first, otherwise we risk the
155   - * cpu being cleared from pri_active, and this cpu could be
156   - * missed for a push or pull.
  155 + * cpu being missed by the priority loop in cpupri_find.
157 156 */
158 157 if (likely(newpri != CPUPRI_INVALID)) {
159 158 struct cpupri_vec *vec = &cp->pri_to_cpu[newpri];
kernel/sched_cpupri.h
... ... @@ -4,7 +4,6 @@
4 4 #include <linux/sched.h>
5 5  
6 6 #define CPUPRI_NR_PRIORITIES (MAX_RT_PRIO + 2)
7   -#define CPUPRI_NR_PRI_WORDS BITS_TO_LONGS(CPUPRI_NR_PRIORITIES)
8 7  
9 8 #define CPUPRI_INVALID -1
10 9 #define CPUPRI_IDLE 0
... ... @@ -18,7 +17,6 @@
18 17  
19 18 struct cpupri {
20 19 struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES];
21   - long pri_active[CPUPRI_NR_PRI_WORDS];
22 20 int cpu_to_pri[NR_CPUS];
23 21 };
24 22