pmap_md_pool_phystov
vaddr_t pmap_md_pool_phystov(paddr_t);
#define POOL_PHYSTOV(pa) pmap_md_pool_phystov((paddr_t)pa)
#define pmap_md_direct_map_paddr(pa) pmap_md_pool_phystov((paddr_t)pa)
vaddr_t va = pmap_md_pool_phystov(pa);