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>
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@ -1735,11 +1735,11 @@ void task_numa_free(struct task_struct *p)
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/*
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/*
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* Got a PROT_NONE fault for a page on @node.
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* Got a PROT_NONE fault for a page on @node.
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*/
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*/
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void task_numa_fault(int last_cpupid, int node, int pages, int flags)
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void task_numa_fault(int last_cpupid, int mem_node, int pages, int flags)
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{
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{
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struct task_struct *p = current;
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struct task_struct *p = current;
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bool migrated = flags & TNF_MIGRATED;
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bool migrated = flags & TNF_MIGRATED;
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int this_node = task_node(current);
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int cpu_node = task_node(current);
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int priv;
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int priv;
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if (!numabalancing_enabled)
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if (!numabalancing_enabled)
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@ -1794,8 +1794,8 @@ void task_numa_fault(int last_cpupid, int node, int pages, int flags)
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if (migrated)
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if (migrated)
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p->numa_pages_migrated += pages;
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p->numa_pages_migrated += pages;
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p->numa_faults_buffer_memory[task_faults_idx(node, priv)] += pages;
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p->numa_faults_buffer_memory[task_faults_idx(mem_node, priv)] += pages;
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p->numa_faults_buffer_cpu[task_faults_idx(this_node, priv)] += pages;
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p->numa_faults_buffer_cpu[task_faults_idx(cpu_node, priv)] += pages;
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p->numa_faults_locality[!!(flags & TNF_FAULT_LOCAL)] += pages;
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p->numa_faults_locality[!!(flags & TNF_FAULT_LOCAL)] += pages;
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}
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}
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