sched/numa: Track from which nodes NUMA faults are triggered
Track which nodes NUMA faults are triggered from, in other words the CPUs on which the NUMA faults happened. This uses a similar mechanism to what is used to track the memory involved in numa faults. The next patches use this to build up a bitmap of which nodes a workload is actively running on. Signed-off-by: NRik van Riel <riel@redhat.com> Acked-by: NMel Gorman <mgorman@suse.de> Signed-off-by: NPeter Zijlstra <peterz@infradead.org> Cc: Chegu Vinod <chegu_vinod@hp.com> Link: http://lkml.kernel.org/r/1390860228-21539-4-git-send-email-riel@redhat.comSigned-off-by: NIngo Molnar <mingo@kernel.org>
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