[linux-yocto] [PATCH 08/28] sched/numa: Rename variables in task_numa_fault()
Yang Shi
yang.shi at windriver.com
Mon Aug 18 13:45:18 PDT 2014
From: Rik van Riel <riel at redhat.com>
commit 58b46da336a9312b2e21bb576d1c2c484dbf6257 upstream
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 at suse.de>
Signed-off-by: Rik van Riel <riel at redhat.com>
Acked-by: Mel Gorman <mgorman at suse.de>
Signed-off-by: Peter Zijlstra <peterz at infradead.org>
Cc: Chegu Vinod <chegu_vinod at hp.com>
Link: http://lkml.kernel.org/r/1390860228-21539-9-git-send-email-riel@redhat.com
Signed-off-by: Ingo Molnar <mingo at kernel.org>
Signed-off-by: Yang Shi <yang.shi at windriver.com>
---
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 f88b7e0..f710c0b 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1739,11 +1739,11 @@ 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)
@@ -1798,8 +1798,8 @@ 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;
}
--
2.0.2
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