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>

diff --git a/kernel/sched_cpupri.c b/kernel/sched_cpupri.c
index 90faffdbdf98a61eb829592416b448424a75faa9..a86cf9d9eb114a7957cc1b273bd2c0e26d9c7dd2 100644 (file)
--- a/kernel/sched_cpupri.c
+++ b/kernel/sched_cpupri.c
@@ -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];

diff --git a/kernel/sched_cpupri.h b/kernel/sched_cpupri.h
index 6b4cd17dead6d8fb3d5c86eb467052402edaa4c8..f6d756173491c87e3defef7e16547cd24d75fbfa 100644 (file)
--- a/kernel/sched_cpupri.h
+++ b/kernel/sched_cpupri.h
@@ -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];
 };