Function bus_dmamap_destroy

freebsd/x86/include/bus_dma.h:67–74

* Destroy a handle for mapping from kva/uva/physical * address space into bus device space. */

 * address space into bus device space.
 */
static inline int
bus_dmamap_destroy(bus_dma_tag_t dmat, bus_dmamap_t map)
{
	struct bus_dma_tag_common *tc;

	tc = (struct bus_dma_tag_common *)dmat;
	return (tc->impl->map_destroy(dmat, map));
}

/*
 * Allocate a piece of memory that can be efficiently mapped into