From: Nikhil Rao <ncrao@google.com>
To: Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>,
Mike Galbraith <efault@gmx.de>
Cc: linux-kernel@vger.kernel.org,
"Nikunj A. Dadhania" <nikunj@linux.vnet.ibm.com>,
Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
Stephan Barwolf <stephan.baerwolf@tu-ilmenau.de>,
Nikhil Rao <ncrao@google.com>
Subject: [PATCH v2 1/3] sched: cleanup set_load_weight()
Date: Wed, 18 May 2011 10:09:38 -0700 [thread overview]
Message-ID: <1305738580-9924-2-git-send-email-ncrao@google.com> (raw)
In-Reply-To: <1305738580-9924-1-git-send-email-ncrao@google.com>
Avoid using long repetitious names; make this simpler and nicer to read. No
functional change introduced in this patch.
Signed-off-by: Nikhil Rao <ncrao@google.com>
---
kernel/sched.c | 11 +++++++----
1 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index c62acf4..d036048 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1778,17 +1778,20 @@ static void dec_nr_running(struct rq *rq)
static void set_load_weight(struct task_struct *p)
{
+ int prio = p->static_prio - MAX_RT_PRIO;
+ struct load_weight *load = &p->se.load;
+
/*
* SCHED_IDLE tasks get minimal weight:
*/
if (p->policy == SCHED_IDLE) {
- p->se.load.weight = WEIGHT_IDLEPRIO;
- p->se.load.inv_weight = WMULT_IDLEPRIO;
+ load->weight = WEIGHT_IDLEPRIO;
+ load->inv_weight = WMULT_IDLEPRIO;
return;
}
- p->se.load.weight = prio_to_weight[p->static_prio - MAX_RT_PRIO];
- p->se.load.inv_weight = prio_to_wmult[p->static_prio - MAX_RT_PRIO];
+ load->weight = prio_to_weight[prio];
+ load->inv_weight = prio_to_wmult[prio];
}
static void enqueue_task(struct rq *rq, struct task_struct *p, int flags)
--
1.7.3.1
next prev parent reply other threads:[~2011-05-18 17:09 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-18 17:09 [PATCH v2 0/3] Increase resolution of load weights Nikhil Rao
2011-05-18 17:09 ` Nikhil Rao [this message]
2011-05-20 13:43 ` [tip:sched/core] sched: Cleanup set_load_weight() tip-bot for Nikhil Rao
2011-05-18 17:09 ` [PATCH v2 2/3] sched: introduce SCHED_POWER_SCALE to scale cpu_power calculations Nikhil Rao
2011-05-20 13:43 ` [tip:sched/core] sched: Introduce " tip-bot for Nikhil Rao
2011-05-18 17:09 ` [PATCH v2 3/3] sched: increase SCHED_LOAD_SCALE resolution Nikhil Rao
2011-05-18 18:25 ` Ingo Molnar
2011-05-18 19:39 ` Nikhil Rao
2011-05-18 19:41 ` Nikhil Rao
2011-05-18 20:26 ` Ingo Molnar
2011-05-18 21:18 ` Nikhil Rao
2011-05-18 21:22 ` Ingo Molnar
2011-05-18 21:37 ` [PATCH v3 " Nikhil Rao
2011-05-20 13:43 ` [tip:sched/core] sched: Increase " tip-bot for Nikhil Rao
2011-05-18 18:26 ` [PATCH v2 3/3] sched: increase " Ingo Molnar
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