pci_free_p2pmem
pci_free_p2pmem(hdev->pdev, p2pr->p2pmem, p2pr->size);
pci_free_p2pmem(to_pci_dev(nvmeq->dev->dev),
pci_free_p2pmem(pdev, nvmeq->sq_cmds, SQ_SIZE(nvmeq));
pci_free_p2pmem(pdev, sg_virt(sg), sg->length);
EXPORT_SYMBOL_GPL(pci_free_p2pmem);
void pci_free_p2pmem(struct pci_dev *pdev, void *addr, size_t size);