From: Bharata B Rao <bharata@linux.vnet.ibm.com>
To: linux-kernel@vger.kernel.org
Cc: Dhaval Giani <dhaval@linux.vnet.ibm.com>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>,
Gautham R Shenoy <ego@in.ibm.com>,
Srivatsa Vaddagiri <vatsa@in.ibm.com>,
Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Pavel Emelyanov <xemul@openvz.org>,
Herbert Poetzl <herbert@13thfloor.at>,
Avi Kivity <avi@redhat.com>, Chris Friesen <cfriesen@nortel.com>,
Paul Menage <menage@google.com>,
Mike Waychison <mikew@google.com>
Subject: [RFC v1 PATCH 1/7] 1/7 sched: Rename sched_rt_period_mask() and use it in CFS also
Date: Tue, 25 Aug 2009 15:18:27 +0530 [thread overview]
Message-ID: <20090825094827.GQ3663@in.ibm.com> (raw)
In-Reply-To: <20090825094729.GP3663@in.ibm.com>
sched: Rename sched_rt_period_mask() and use it in CFS also.
From: Bharata B Rao <bharata@linux.vnet.ibm.com>
sched_rt_period_mask() is needed in CFS also. Rename it to a generic name
and move it to kernel/sched.c. No functionality change in this patch.
Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
---
kernel/sched.c | 23 +++++++++++++++++++++++
kernel/sched_rt.c | 19 +------------------
2 files changed, 24 insertions(+), 18 deletions(-)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1732,6 +1732,29 @@ static void cfs_rq_set_shares(struct cfs
static void calc_load_account_active(struct rq *this_rq);
+
+#if defined(CONFIG_RT_GROUP_SCHED) || defined(CONFIG_FAIR_GROUP_SCHED)
+
+#ifdef CONFIG_SMP
+static inline const struct cpumask *sched_bw_period_mask(void)
+{
+ return cpu_rq(smp_processor_id())->rd->span;
+}
+#else /* !CONFIG_SMP */
+static inline const struct cpumask *sched_bw_period_mask(void)
+{
+ return cpu_online_mask;
+}
+#endif /* CONFIG_SMP */
+
+#else
+static inline const struct cpumask *sched_bw_period_mask(void)
+{
+ return cpu_online_mask;
+}
+
+#endif
+
#include "sched_stats.h"
#include "sched_idletask.c"
#include "sched_fair.c"
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -222,18 +222,6 @@ static int rt_se_boosted(struct sched_rt
return p->prio != p->normal_prio;
}
-#ifdef CONFIG_SMP
-static inline const struct cpumask *sched_rt_period_mask(void)
-{
- return cpu_rq(smp_processor_id())->rd->span;
-}
-#else
-static inline const struct cpumask *sched_rt_period_mask(void)
-{
- return cpu_online_mask;
-}
-#endif
-
static inline
struct rt_rq *sched_rt_period_rt_rq(struct rt_bandwidth *rt_b, int cpu)
{
@@ -283,11 +271,6 @@ static inline int rt_rq_throttled(struct
return rt_rq->rt_throttled;
}
-static inline const struct cpumask *sched_rt_period_mask(void)
-{
- return cpu_online_mask;
-}
-
static inline
struct rt_rq *sched_rt_period_rt_rq(struct rt_bandwidth *rt_b, int cpu)
{
@@ -505,7 +488,7 @@ static int do_sched_rt_period_timer(stru
if (!rt_bandwidth_enabled() || rt_b->rt_runtime == RUNTIME_INF)
return 1;
- span = sched_rt_period_mask();
+ span = sched_bw_period_mask();
for_each_cpu(i, span) {
int enqueue = 0;
struct rt_rq *rt_rq = sched_rt_period_rt_rq(rt_b, i);
next prev parent reply other threads:[~2009-08-25 9:48 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-25 9:47 [RFC v1 PATCH 0/7] CFS Hard limits - v1 Bharata B Rao
2009-08-25 9:48 ` Bharata B Rao [this message]
2009-08-25 9:49 ` [RFC v1 PATCH 2/7] sched: Maintain aggregated tasks count in cfs_rq at each hierarchy level Bharata B Rao
2009-08-25 9:49 ` [RFC v1 PATCH 3/7] sched: Bandwidth initialization for fair task groups Bharata B Rao
2009-09-04 10:43 ` Andrea Righi
2009-09-04 12:32 ` Bharata B Rao
2009-09-04 12:36 ` Andrea Righi
2009-08-25 9:50 ` [RFC v1 PATCH 4/7] sched: Enforce hard limits by throttling Bharata B Rao
2009-08-25 9:51 ` [RFC v1 PATCH 5/7] sched: Unthrottle the throttled tasks Bharata B Rao
2009-08-25 9:51 ` [RFC v1 PATCH 6/7] sched: Add throttle time statistics to /proc/sched_debug Bharata B Rao
2009-08-25 9:53 ` [RFC v1 PATCH 7/7] sched: Hard limits documentation Bharata B Rao
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