linux-kernel - [PATCH 1/5] sched/numa: Rename numabalancing_enabled to sched_numa

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Date:	Thu,  7 Jan 2016 17:57:32 +0000
From:	Mel Gorman <mgorman@...hsingularity.net>
To:	Linux-Stable <stable@...r.kernel.org>
Cc:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Mel Gorman <mgorman@...hsingularity.net>
Subject: [PATCH 1/5] sched/numa: Rename numabalancing_enabled to sched_numa_balancing

From: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>

commit 78a9c54649ea220065aad9902460a1d137c7eafd upstream.

Simple rename of the 'numabalancing_enabled' variable to 'sched_numa_balancing'.
No functional changes.

Suggested-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Mel Gorman <mgorman@...e.de>
Cc: Mike Galbraith <efault@....de>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Rik van Riel <riel@...hat.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1439290813-6683-2-git-send-email-srikar@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Mel Gorman <mgorman@...hsingularity.net>
---
 kernel/sched/core.c  | 6 +++---
 kernel/sched/fair.c  | 4 ++--
 kernel/sched/sched.h | 6 +++---
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index bcd214e4b4d6..98594051d6d5 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2124,11 +2124,11 @@ void set_numabalancing_state(bool enabled)
 		sched_feat_set("NO_NUMA");
 }
 #else
-__read_mostly bool numabalancing_enabled;
+__read_mostly bool sched_numa_balancing;
 
 void set_numabalancing_state(bool enabled)
 {
-	numabalancing_enabled = enabled;
+	sched_numa_balancing = enabled;
 }
 #endif /* CONFIG_SCHED_DEBUG */
 
@@ -2138,7 +2138,7 @@ int sysctl_numa_balancing(struct ctl_table *table, int write,
 {
 	struct ctl_table t;
 	int err;
-	int state = numabalancing_enabled;
+	int state = sched_numa_balancing;
 
 	if (write && !capable(CAP_SYS_ADMIN))
 		return -EPERM;
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 9a5e60fe721a..33d02d6a3cf4 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -2069,7 +2069,7 @@ void task_numa_fault(int last_cpupid, int mem_node, int pages, int flags)
 	int local = !!(flags & TNF_FAULT_LOCAL);
 	int priv;
 
-	if (!numabalancing_enabled)
+	if (!sched_numa_balancing)
 		return;
 
 	/* for example, ksmd faulting in a user's mm */
@@ -7811,7 +7811,7 @@ static void task_tick_fair(struct rq *rq, struct task_struct *curr, int queued)
 		entity_tick(cfs_rq, se, queued);
 	}
 
-	if (numabalancing_enabled)
+	if (sched_numa_balancing)
 		task_tick_numa(rq, curr);
 }
 
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 6d2a119c7ad9..252cfbb78348 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1006,13 +1006,13 @@ extern struct static_key sched_feat_keys[__SCHED_FEAT_NR];
 #ifdef CONFIG_NUMA_BALANCING
 #define sched_feat_numa(x) sched_feat(x)
 #ifdef CONFIG_SCHED_DEBUG
-#define numabalancing_enabled sched_feat_numa(NUMA)
+#define sched_numa_balancing sched_feat_numa(NUMA)
 #else
-extern bool numabalancing_enabled;
+extern bool sched_numa_balancing;
 #endif /* CONFIG_SCHED_DEBUG */
 #else
 #define sched_feat_numa(x) (0)
-#define numabalancing_enabled (0)
+#define sched_numa_balancing (0)
 #endif /* CONFIG_NUMA_BALANCING */
 
 static inline u64 global_rt_period(void)
-- 
2.6.4