linux-kernel - [tip:sched/numa] sched/numa: Rename variables in task_numa

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Date:	Tue, 28 Jan 2014 11:24:49 -0800
From:	tip-bot for Rik van Riel <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	peterz@...radead.org, riel@...hat.com, chegu_vinod@...com,
	mgorman@...e.de, tglx@...utronix.de
Subject: [tip:sched/numa] sched/numa: Rename variables in task_numa_fault(
 )

Commit-ID:  58b46da336a9312b2e21bb576d1c2c484dbf6257
Gitweb:     http://git.kernel.org/tip/58b46da336a9312b2e21bb576d1c2c484dbf6257
Author:     Rik van Riel <riel@...hat.com>
AuthorDate: Mon, 27 Jan 2014 17:03:47 -0500
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 28 Jan 2014 15:03:19 +0100

sched/numa: Rename variables in task_numa_fault()

We track both the node of the memory after a NUMA fault, and the node
of the CPU on which the fault happened. Rename the local variables in
task_numa_fault to make things more explicit.

Suggested-by: Mel Gorman <mgorman@...e.de>
Signed-off-by: Rik van Riel <riel@...hat.com>
Acked-by: Mel Gorman <mgorman@...e.de>
Signed-off-by: Peter Zijlstra <peterz@...radead.org>
Cc: Chegu Vinod <chegu_vinod@...com>
Link: http://lkml.kernel.org/r/1390860228-21539-9-git-send-email-riel@redhat.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/sched/fair.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 4c44990..d5832c3 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1735,11 +1735,11 @@ void task_numa_free(struct task_struct *p)
 /*
  * Got a PROT_NONE fault for a page on @node.
  */
-void task_numa_fault(int last_cpupid, int node, int pages, int flags)
+void task_numa_fault(int last_cpupid, int mem_node, int pages, int flags)
 {
 	struct task_struct *p = current;
 	bool migrated = flags & TNF_MIGRATED;
-	int this_node = task_node(current);
+	int cpu_node = task_node(current);
 	int priv;
 
 	if (!numabalancing_enabled)
@@ -1794,8 +1794,8 @@ void task_numa_fault(int last_cpupid, int node, int pages, int flags)
 	if (migrated)
 		p->numa_pages_migrated += pages;
 
-	p->numa_faults_buffer_memory[task_faults_idx(node, priv)] += pages;
-	p->numa_faults_buffer_cpu[task_faults_idx(this_node, priv)] += pages;
+	p->numa_faults_buffer_memory[task_faults_idx(mem_node, priv)] += pages;
+	p->numa_faults_buffer_cpu[task_faults_idx(cpu_node, priv)] += pages;
 	p->numa_faults_locality[!!(flags & TNF_FAULT_LOCAL)] += pages;
 }
 
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