Commit-ID: 58b46da336a9312b2e21bb576d1c2c484dbf6257
Gitweb: http://git.kernel.org/tip/58b46da336a9312b2e21bb576d1c2c484dbf6257
Author: Rik van Riel <riel@xxxxxxxxxx>
AuthorDate: Mon, 27 Jan 2014 17:03:47 -0500
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
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@xxxxxxx>
Signed-off-by: Rik van Riel <riel@xxxxxxxxxx>
Acked-by: Mel Gorman <mgorman@xxxxxxx>
Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Chegu Vinod <chegu_vinod@xxxxxx>
Link: http://lkml.kernel.org/r/1390860228-21539-9-git-send-email-riel@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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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