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	}			}

	static int			static int
	dmar_bus_dmamap_create(bus_dma_tag_t dmat, int flags, bus_dmamap_t *mapp)			dmar_bus_dmamap_create(bus_dma_tag_t dmat, int flags, bus_dmamap_t *mapp)
	{			{
	struct bus_dma_tag_dmar *tag;			struct bus_dma_tag_dmar *tag;
	struct bus_dmamap_dmar *map;			struct bus_dmamap_dmar *map;

				WITNESS_WARN(WARN_GIANTOK \| WARN_SLEEPOK, NULL, "%s", __func__);

	tag = (struct bus_dma_tag_dmar *)dmat;			tag = (struct bus_dma_tag_dmar *)dmat;
	map = malloc(sizeof(*map), M_DMAR_DMAMAP, M_NOWAIT \| M_ZERO);			map = malloc(sizeof(*map), M_DMAR_DMAMAP, M_NOWAIT \| M_ZERO);
	if (map == NULL) {			if (map == NULL) {
	*mapp = NULL;			*mapp = NULL;
	return (ENOMEM);			return (ENOMEM);
	}			}
	if (tag->segments == NULL) {			if (tag->segments == NULL) {
	tag->segments = malloc(sizeof(bus_dma_segment_t) *			tag->segments = malloc(sizeof(bus_dma_segment_t) *
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