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sched/numa: Rename variables in task_numa_fault()

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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>
This commit is contained in:
Rik van Riel 2014-01-27 17:03:47 -05:00 • committed by Ingo Molnar
parent 35664fd41e
commit 58b46da336
1 changed files with 4 additions and 4 deletions
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8
kernel/sched/fair.c
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@ -1735,11 +1735,11 @@ void task_numa_free(struct task_struct *p)
/* /*
* Got a PROT_NONE fault for a page on @node. * 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; struct task_struct *p = current;
bool migrated = flags & TNF_MIGRATED; bool migrated = flags & TNF_MIGRATED;
int this_node = task_node(current); int cpu_node = task_node(current);
int priv; int priv;
if (!numabalancing_enabled) if (!numabalancing_enabled)
@ -1794,8 +1794,8 @@ void task_numa_fault(int last_cpupid, int node, int pages, int flags)
if (migrated) if (migrated)
p->numa_pages_migrated += pages; p->numa_pages_migrated += pages;
p->numa_faults_buffer_memory[task_faults_idx(node, priv)] += pages; p->numa_faults_buffer_memory[task_faults_idx(mem_node, priv)] += pages;
p->numa_faults_buffer_cpu[task_faults_idx(this_node, priv)] += pages; p->numa_faults_buffer_cpu[task_faults_idx(cpu_node, priv)] += pages;
p->numa_faults_locality[!!(flags & TNF_FAULT_LOCAL)] += pages; p->numa_faults_locality[!!(flags & TNF_FAULT_LOCAL)] += pages;
} }