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sched: Replace rq->bkl_count with rq->rq_sched_info.bkl_count

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Now rq->rq_sched_info.bkl_count is not used for rq, scroll
rq->bkl_count into it. Thus we can save some space for rq.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1294991859-13246-1-git-send-email-yong.zhang0@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yong Zhang 2011-01-14 15:57:39 +08:00 • committed by Ingo Molnar
parent f44937718c
commit fce2097983
2 changed files with 4 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

5
kernel/sched.c
View file

@ -553,9 +553,6 @@ struct rq {
/* try_to_wake_up() stats */ /* try_to_wake_up() stats */
unsigned int ttwu_count; unsigned int ttwu_count;
unsigned int ttwu_local; unsigned int ttwu_local;
/* BKL stats */
unsigned int bkl_count;
#endif #endif
}; };
@ -3887,7 +3884,7 @@ static inline void schedule_debug(struct task_struct *prev)
schedstat_inc(this_rq(), sched_count); schedstat_inc(this_rq(), sched_count);
#ifdef CONFIG_SCHEDSTATS #ifdef CONFIG_SCHEDSTATS
if (unlikely(prev->lock_depth >= 0)) { if (unlikely(prev->lock_depth >= 0)) {
schedstat_inc(this_rq(), bkl_count); schedstat_inc(this_rq(), rq_sched_info.bkl_count);
schedstat_inc(prev, sched_info.bkl_count); schedstat_inc(prev, sched_info.bkl_count);
} }
#endif #endif

4
kernel/sched_debug.c
View file

@ -296,9 +296,11 @@ static void print_cpu(struct seq_file *m, int cpu)
P(ttwu_count); P(ttwu_count);
P(ttwu_local); P(ttwu_local);
P(bkl_count); SEQ_printf(m, " .%-30s: %d\n", "bkl_count",
rq->rq_sched_info.bkl_count);
#undef P #undef P
#undef P64
#endif #endif
spin_lock_irqsave(&sched_debug_lock, flags); spin_lock_irqsave(&sched_debug_lock, flags);
print_cfs_stats(m, cpu); print_cfs_stats(m, cpu);