drivers/nvme/host/pci.c

969

if (dma_use_iova(&iod->dma_state) || !dma_need_unmap(dma_dev))

include/linux/blk-mq-dma.h

74

return !dma_need_unmap(dma_dev);

include/linux/dma-mapping.h

457

bool dma_need_unmap(struct device *dev);

kernel/dma/mapping.c

474

EXPORT_SYMBOL_GPL(dma_need_unmap);

mm/hmm.c

725

if (!use_iova && dma_need_unmap(dev)) {

mm/hmm.c

804

if (dma_need_unmap(dev))

mm/hmm.c

840

if (WARN_ON_ONCE(dma_need_unmap(dev) && !dma_addrs))

mm/hmm.c

848

if (dma_need_unmap(dev))

mm/hmm.c

887

else if (dma_need_unmap(dev))