/* We never have any address translations to worry about, so this is just alloc/free.  */
void* dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp)
/* We never have any address translations to worry about, so this is just alloc/free.  */
void* dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp)
{
	void *ret;
	gfp &= ~(__GFP_DMA | __GFP_HIGHMEM);
	if (dev == NULL || (*dev->dma_mask < 0xffffffff))
		gfp |= GFP_DMA;
	ret = (void *)__get_free_pages(gfp, get_order(size));
	if (ret != NULL) {
		memset(ret, 0, size);
		*dma_handle = virt_to_phys(ret);
	}
	return ret;
}