Commit-ID: 208cb16ba325552a3935bfc002e34561b0d512d7 Gitweb: http://git.kernel.org/tip/208cb16ba325552a3935bfc002e34561b0d512d7 Author: Daniel Lezcano <daniel.lezc...@linaro.org> AuthorDate: Mon, 6 Jan 2014 12:34:44 +0100 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Mon, 13 Jan 2014 13:47:33 +0100
sched: Pass 'struct rq' to nohz_idle_balance() The cpu information is stored in the struct rq. Pass the struct rq to nohz_idle_balance, so all the functions called in run_rebalance_domains have the same parameters and the 'this_cpu' variable becomes pointless. Signed-off-by: Daniel Lezcano <daniel.lezc...@linaro.org> [ Added !SMP build fix. ] Signed-off-by: Peter Zijlstra <pet...@infradead.org> Link: http://lkml.kernel.org/r/1389008085-9069-8-git-send-email-daniel.lezc...@linaro.org Signed-off-by: Ingo Molnar <mi...@kernel.org> --- kernel/sched/fair.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index ff4e0df..d7220d1 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -6740,9 +6740,9 @@ out: * In CONFIG_NO_HZ_COMMON case, the idle balance kickee will do the * rebalancing for all the cpus for whom scheduler ticks are stopped. */ -static void nohz_idle_balance(int this_cpu, enum cpu_idle_type idle) +static void nohz_idle_balance(struct rq *this_rq, enum cpu_idle_type idle) { - struct rq *this_rq = cpu_rq(this_cpu); + int this_cpu = this_rq->cpu; struct rq *rq; int balance_cpu; @@ -6844,7 +6844,7 @@ need_kick: return 1; } #else -static void nohz_idle_balance(int this_cpu, enum cpu_idle_type idle) { } +static void nohz_idle_balance(struct rq *this_rq, enum cpu_idle_type idle) { } #endif /* @@ -6853,8 +6853,7 @@ static void nohz_idle_balance(int this_cpu, enum cpu_idle_type idle) { } */ static void run_rebalance_domains(struct softirq_action *h) { - int this_cpu = smp_processor_id(); - struct rq *this_rq = cpu_rq(this_cpu); + struct rq *this_rq = this_rq(); enum cpu_idle_type idle = this_rq->idle_balance ? CPU_IDLE : CPU_NOT_IDLE; @@ -6865,7 +6864,7 @@ static void run_rebalance_domains(struct softirq_action *h) * balancing on behalf of the other idle cpus whose ticks are * stopped. */ - nohz_idle_balance(this_cpu, idle); + nohz_idle_balance(this_rq, idle); } static inline int on_null_domain(struct rq *rq) -- 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/
