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From: Frederic Weisbecker <fweisbec@gmail.com>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Chris Metcalf <cmetcalf@mellanox.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Luiz Capitulino <lcapitulino@redhat.com>,
	Christoph Lameter <cl@linux.com>,
	"Paul E . McKenney" <paulmck@linux.vnet.ibm.com>,
	Ingo Molnar <mingo@kernel.org>, Mike Galbraith <efault@gmx.de>,
	Rik van Riel <riel@redhat.com>, Wanpeng Li <kernellwp@gmail.com>
Subject: [RFC PATCH 06/12] housekeeping: Rename is_housekeeping_cpu to housekeeping_cpu
Date: Wed, 23 Aug 2017 03:51:05 +0200	[thread overview]
Message-ID: <1503453071-952-7-git-send-email-fweisbec@gmail.com> (raw)
In-Reply-To: <1503453071-952-1-git-send-email-fweisbec@gmail.com>

To keep a proper housekeeping namespace.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Wanpeng Li <kernellwp@gmail.com>
Cc: Luiz Capitulino <lcapitulino@redhat.com>
---
 include/linux/housekeeping.h | 2 +-
 kernel/sched/core.c          | 6 +++---
 kernel/sched/fair.c          | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/housekeeping.h b/include/linux/housekeeping.h
index cbe8d63..320cc2b 100644
--- a/include/linux/housekeeping.h
+++ b/include/linux/housekeeping.h
@@ -29,7 +29,7 @@ static inline void housekeeping_affine(struct task_struct *t) { }
 static inline void housekeeping_init(void) { }
 #endif /* CONFIG_NO_HZ_FULL */
 
-static inline bool is_housekeeping_cpu(int cpu)
+static inline bool housekeeping_cpu(int cpu)
 {
 #ifdef CONFIG_NO_HZ_FULL
 	if (static_branch_unlikely(&housekeeping_overriden))
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 536d6a5..fd00ae3 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -527,7 +527,7 @@ int get_nohz_timer_target(void)
 	int i, cpu = smp_processor_id();
 	struct sched_domain *sd;
 
-	if (!idle_cpu(cpu) && is_housekeeping_cpu(cpu))
+	if (!idle_cpu(cpu) && housekeeping_cpu(cpu))
 		return cpu;
 
 	rcu_read_lock();
@@ -536,14 +536,14 @@ int get_nohz_timer_target(void)
 			if (cpu == i)
 				continue;
 
-			if (!idle_cpu(i) && is_housekeeping_cpu(i)) {
+			if (!idle_cpu(i) && housekeeping_cpu(i)) {
 				cpu = i;
 				goto unlock;
 			}
 		}
 	}
 
-	if (!is_housekeeping_cpu(cpu))
+	if (!housekeeping_cpu(cpu))
 		cpu = housekeeping_any_cpu();
 unlock:
 	rcu_read_unlock();
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 5455e98..0d8f7b1 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -8739,7 +8739,7 @@ void nohz_balance_enter_idle(int cpu)
 		return;
 
 	/* Spare idle load balancing on CPUs that don't want to be disturbed: */
-	if (!is_housekeeping_cpu(cpu))
+	if (!housekeeping_cpu(cpu))
 		return;
 
 	if (test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)))
-- 
2.7.4

  parent reply	other threads:[~2017-08-23  1:51 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-23  1:50 [RFC 00/12] Introduce housekeeping subsystem v2 Frederic Weisbecker
2017-08-23  1:51 ` [RFC PATCH 01/12] housekeeping: Move housekeeping related code to its own file Frederic Weisbecker
2017-08-31 20:16   ` Rik van Riel
2017-08-31 22:58     ` Frederic Weisbecker
2017-08-23  1:51 ` [RFC PATCH 02/12] watchdog: Use housekeeping_cpumask() instead of ad-hoc version Frederic Weisbecker
2017-08-23  1:51 ` [RFC PATCH 03/12] housekeeping: Provide a dynamic off-case to housekeeping_any_cpu() Frederic Weisbecker
2017-08-23  1:51 ` [RFC PATCH 04/12] housekeeping: Make housekeeping cpumask private Frederic Weisbecker
2017-08-23  1:51 ` [RFC PATCH 05/12] housekeeping: Use its own static key Frederic Weisbecker
2017-08-23  1:51 ` Frederic Weisbecker [this message]
2017-08-23  1:51 ` [RFC PATCH 07/12] housekeeping: Move it under own config, independant from NO_HZ Frederic Weisbecker
2017-08-23  1:51 ` [RFC PATCH 08/12] housekeeping: Introduce housekeeping flags Frederic Weisbecker
2017-08-23  1:51 ` [RFC PATCH 09/12] workqueue: Affine unbound workqueues to housekeeping cpumask Frederic Weisbecker
2017-08-23  1:51 ` [RFC PATCH 10/12] housekeeping: Affine unbound kthreads Frederic Weisbecker
2017-08-23  1:51 ` [RFC PATCH 11/12] housekeeping: Handle nohz_full= parameter Frederic Weisbecker
2017-08-23  1:51 ` [RFC PATCH 12/12] housekeeping: Reimplement isolcpus on housekeeping Frederic Weisbecker
2017-08-23 14:55   ` Christopher Lameter
2017-08-24 13:19     ` Frederic Weisbecker
2017-08-28 10:10     ` Peter Zijlstra
2017-08-28 15:38       ` Christopher Lameter
2017-08-28 10:09   ` Peter Zijlstra
2017-08-28 13:23     ` Frederic Weisbecker
2017-08-28 13:31       ` Peter Zijlstra
2017-08-28 15:27         ` Frederic Weisbecker
2017-08-28 16:24           ` Peter Zijlstra
2017-08-28 16:53             ` Christopher Lameter
2017-08-28 17:33             ` Frederic Weisbecker
2017-08-31 18:53               ` Thomas Gleixner
2017-08-31 23:00                 ` Frederic Weisbecker

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