Commit-ID: 424c93fe4cbe719e7fd7169248d2b648c493b68d Gitweb: http://git.kernel.org/tip/424c93fe4cbe719e7fd7169248d2b648c493b68d Author: Nathan Zimmer <nzim...@sgi.com> AuthorDate: Thu, 9 May 2013 11:24:03 -0500 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Fri, 10 May 2013 10:35:56 +0200
sched: Use this_rq() helper It is a few instructions more efficent to and slightly more readable to use this_rq()-> instead of cpu_rq(smp_processor_id())-> . Size comparison of kernel/sched/fair.o: text data bss dec hex filename 27972 122 26 28120 6dd8 fair.o.before 27956 122 26 28104 6dc8 fair.o.after Signed-off-by: Nathan Zimmer <nzim...@sgi.com> Cc: Peter Zijlstra <pet...@infradead.org> Link: http://lkml.kernel.org/r/1368116643-87971-1-git-send-email-nzim...@sgi.com Signed-off-by: Ingo Molnar <mi...@kernel.org> --- kernel/sched/fair.c | 6 ++---- kernel/sched/rt.c | 2 +- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index c61a614..f2c9c0c 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -5418,10 +5418,9 @@ static inline void nohz_balance_exit_idle(int cpu) static inline void set_cpu_sd_state_busy(void) { struct sched_domain *sd; - int cpu = smp_processor_id(); rcu_read_lock(); - sd = rcu_dereference_check_sched_domain(cpu_rq(cpu)->sd); + sd = rcu_dereference_check_sched_domain(this_rq()->sd); if (!sd || !sd->nohz_idle) goto unlock; @@ -5436,10 +5435,9 @@ unlock: void set_cpu_sd_state_idle(void) { struct sched_domain *sd; - int cpu = smp_processor_id(); rcu_read_lock(); - sd = rcu_dereference_check_sched_domain(cpu_rq(cpu)->sd); + sd = rcu_dereference_check_sched_domain(this_rq()->sd); if (!sd || sd->nohz_idle) goto unlock; diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 127a2c4..7aced2e 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -472,7 +472,7 @@ static int rt_se_boosted(struct sched_rt_entity *rt_se) #ifdef CONFIG_SMP static inline const struct cpumask *sched_rt_period_mask(void) { - return cpu_rq(smp_processor_id())->rd->span; + return this_rq()->rd->span; } #else static inline const struct cpumask *sched_rt_period_mask(void) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
