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Commit 58b46da3 authored by Rik van Riel's avatar Rik van Riel Committed by Ingo Molnar
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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: default avatarMel Gorman <mgorman@suse.de>
Signed-off-by: default avatarRik van Riel <riel@redhat.com>
Acked-by: default avatarMel Gorman <mgorman@suse.de>
Signed-off-by: default avatarPeter 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: default avatarIngo Molnar <mingo@kernel.org>
parent 35664fd4

kernel/sched/fair.c

+4 −4
Original line number Diff line number Diff line
@@ -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;

}