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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 6/9] housekeeping: Rename is_housekeeping_cpu to housekeeping_cpu
Date: Fri, 21 Jul 2017 15:21:27 +0200	[thread overview]
Message-ID: <1500643290-25842-7-git-send-email-fweisbec@gmail.com> (raw)
In-Reply-To: <1500643290-25842-1-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 751c040..adfee7f 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 05dfced..8ecd204 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -8600,7 +8600,7 @@ 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:[~2017-07-21 13:23 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-21 13:21 [RFC PATCH 0/9] Introduce housekeeping subsystem Frederic Weisbecker
2017-07-21 13:21 ` [RFC PATCH 1/9] housekeeping: Move housekeeping related code to its own file Frederic Weisbecker
2017-07-21 13:21 ` [RFC PATCH 2/9] watchdog: Use housekeeping_cpumask() instead of ad-hoc version Frederic Weisbecker
2017-07-21 13:21 ` [RFC PATCH 3/9] housekeeping: Provide a dynamic off-case to housekeeping_any_cpu() Frederic Weisbecker
2017-07-21 13:21 ` [RFC PATCH 4/9] housekeeping: Make housekeeping cpumask private Frederic Weisbecker
2017-07-21 13:21 ` [RFC PATCH 5/9] housekeeping: Use its own static key Frederic Weisbecker
2017-07-21 13:21 ` Frederic Weisbecker [this message]
2017-07-21 13:21 ` [RFC PATCH 7/9] housekeeping: Use own boot option, independant from nohz Frederic Weisbecker
2017-08-11 19:09   ` Luiz Capitulino
2017-08-12 14:10     ` Frederic Weisbecker
2017-08-13 15:13       ` Luiz Capitulino
2017-08-14 17:01         ` Frederic Weisbecker
2017-08-14 17:34           ` Luiz Capitulino
2017-08-14 18:29             ` Mike Galbraith
2017-08-15 13:07               ` Frederic Weisbecker
2017-08-15 15:15                 ` Mike Galbraith
2017-08-15 15:30                   ` Paul E. McKenney
2017-08-15 15:52                     ` Christopher Lameter
2017-08-15 15:57                       ` Mike Galbraith
2017-08-15 16:26                         ` Christopher Lameter
2017-08-16 18:00                           ` Mike Galbraith
2017-08-15 15:53                     ` Mike Galbraith
2017-07-21 13:21 ` [RFC PATCH 8/9] housekeeping: Move it under own config, independant from NO_HZ Frederic Weisbecker
2017-07-21 13:21 ` [RFC PATCH 9/9] workqueue: Affine unbound workqueues to housekeeping cpumask Frederic Weisbecker
2017-07-21 19:48 ` [RFC PATCH 0/9] Introduce housekeeping subsystem Chris Metcalf
2017-08-10 12:54   ` Frederic Weisbecker
2017-08-10 13:57     ` Chris Metcalf
2017-08-11  6:36       ` Mike Galbraith
2017-08-11 15:01         ` Frederic Weisbecker
2017-08-11 19:22           ` Luiz Capitulino
2017-08-11 15:08         ` Chris Metcalf
2017-08-11 15:35           ` Christopher Lameter
2017-08-11 15:50             ` Chris Metcalf

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