On 11/24/2018 07:35 PM, Vinod Koul wrote: > On 23-11-18, 15:24, Anshuman Khandual wrote: > >> --- a/drivers/dma/dmaengine.c >> +++ b/drivers/dma/dmaengine.c >> @@ -386,7 +386,8 @@ EXPORT_SYMBOL(dma_issue_pending_all); >> static bool dma_chan_is_local(struct dma_chan *chan, int cpu) >> { >> int node = dev_to_node(chan->device->dev); >> - return node == -1 || cpumask_test_cpu(cpu, cpumask_of_node(node)); >> + return node == NUMA_NO_NODE || >> + cpumask_test_cpu(cpu, cpumask_of_node(node)); >> } > > I do not see dev_to_node being updated first, that returns -1 so I would > prefer to check for -1 unless it return NUMA_NO_NODE Sure will update dev_to_node() to return NUMA_NO_NODE as well.