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authorRik van Riel <riel@redhat.com>2014-01-28 02:03:47 +0400
committerIngo Molnar <mingo@kernel.org>2014-01-28 18:03:19 +0400
commit58b46da336a9312b2e21bb576d1c2c484dbf6257 (patch)
treeb6e5f1fb54eebb9f1d02c1435133b125dc110275 /kernel/sched/fair.c
parent35664fd41e1c8cc4f0b89f6a51db5af39ba50640 (diff)
downloadlinux-58b46da336a9312b2e21bb576d1c2c484dbf6257.tar.xz
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@suse.de> Signed-off-by: Rik van Riel <riel@redhat.com> Acked-by: Mel Gorman <mgorman@suse.de> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: Chegu Vinod <chegu_vinod@hp.com> Link: http://lkml.kernel.org/r/1390860228-21539-9-git-send-email-riel@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/fair.c')
-rw-r--r--kernel/sched/fair.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 4c449907a10e..d5832c367d87 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;
}