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Subject[PATCH 1/5] sched/numa: Rename numabalancing_enabled to sched_numa_balancing
Date
From: Srikar Dronamraju <srikar@linux.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@kernel.org>
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1439290813-6683-2-git-send-email-srikar@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Mel Gorman <mgorman@techsingularity.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
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