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Date: Mon, 24 Feb 2014 13:12:16 +0800 From: Alex Shi <alex.shi@...aro.org> To: mingo@...hat.com, peterz@...radead.org, morten.rasmussen@....com Cc: vincent.guittot@...aro.org, daniel.lezcano@...aro.org, fweisbec@...il.com, linux@....linux.org.uk, tony.luck@...el.com, fenghua.yu@...el.com, james.hogan@...tec.com, alex.shi@...aro.org, jason.low2@...com, viresh.kumar@...aro.org, hanjun.guo@...aro.org, linux-kernel@...r.kernel.org, tglx@...utronix.de, akpm@...ux-foundation.org, arjan@...ux.intel.com, pjt@...gle.com, fengguang.wu@...el.com, linaro-kernel@...ts.linaro.org, wangyun@...ux.vnet.ibm.com Subject: [PATCH 01/10] sched: shortcut to remove load_idx Shortcut to remove rq->cpu_load[load_idx] effect in scheduler. In five load idx, only busy_idx, idle_idx are not zero. Newidle_idx, wake_idx and fork_idx are all zero in all archs. So, change the idx to zero here can fully remove load_idx effect. Signed-off-by: Alex Shi <alex.shi@...aro.org> --- kernel/sched/fair.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 235cfa7..4fcc3a3 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -5908,7 +5908,7 @@ static inline void update_sd_lb_stats(struct lb_env *env, struct sd_lb_stats *sd if (child && child->flags & SD_PREFER_SIBLING) prefer_sibling = 1; - load_idx = get_sd_load_idx(env->sd, env->idle); + load_idx = 0; do { struct sg_lb_stats *sgs = &tmp_sgs; -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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