1128 	struct page **pages;  in __iommu_alloc_buffer()  local
1134 		pages = kzalloc(array_size, GFP_KERNEL);  in __iommu_alloc_buffer()
1136 		pages = vzalloc(array_size);  in __iommu_alloc_buffer()
1137 	if (!pages)  in __iommu_alloc_buffer()
1152 			pages[i] = page + i;  in __iommu_alloc_buffer()
1154 		return pages;  in __iommu_alloc_buffer()
1171 			pages[i] = alloc_pages(gfp | __GFP_NORETRY, order);  in __iommu_alloc_buffer()
1172 			if (pages[i])  in __iommu_alloc_buffer()
1176 		if (!pages[i]) {  in __iommu_alloc_buffer()
1181 			pages[i] = alloc_pages(gfp, 0);  in __iommu_alloc_buffer()
1182 			if (!pages[i])  in __iommu_alloc_buffer()
1187 			split_page(pages[i], order);  in __iommu_alloc_buffer()
1190 				pages[i + j] = pages[i] + j;  in __iommu_alloc_buffer()
1193 		__dma_clear_buffer(pages[i], PAGE_SIZE << order);  in __iommu_alloc_buffer()
1198 	return pages;  in __iommu_alloc_buffer()
1201 		if (pages[i])  in __iommu_alloc_buffer()
1202 			__free_pages(pages[i], 0);  in __iommu_alloc_buffer()
1204 		kfree(pages);  in __iommu_alloc_buffer()
1206 		vfree(pages);  in __iommu_alloc_buffer()
1210 static int __iommu_free_buffer(struct device *dev, struct page **pages,  in __iommu_free_buffer()  argument
1218 		dma_release_from_contiguous(dev, pages[0], count);  in __iommu_free_buffer()
1221 			if (pages[i])  in __iommu_free_buffer()
1222 				__free_pages(pages[i], 0);  in __iommu_free_buffer()
1226 		kfree(pages);  in __iommu_free_buffer()
1228 		vfree(pages);  in __iommu_free_buffer()
1236 __iommu_alloc_remap(struct page **pages, size_t size, gfp_t gfp, pgprot_t prot,  in __iommu_alloc_remap()  argument
1239 	return dma_common_pages_remap(pages, size,  in __iommu_alloc_remap()
1247 __iommu_create_mapping(struct device *dev, struct page **pages, size_t size)  in __iommu_create_mapping()  argument
1262 		unsigned int next_pfn = page_to_pfn(pages[i]) + 1;  in __iommu_create_mapping()
1263 		phys_addr_t phys = page_to_phys(pages[i]);  in __iommu_create_mapping()
1267 			if (page_to_pfn(pages[j]) != next_pfn)  in __iommu_create_mapping()
1324 		return area->pages;  in __iommu_get_pages()
1360 	struct page **pages;  in arm_iommu_alloc_attrs()  local
1378 	pages = __iommu_alloc_buffer(dev, size, gfp, attrs);  in arm_iommu_alloc_attrs()
1379 	if (!pages)  in arm_iommu_alloc_attrs()
1382 	*handle = __iommu_create_mapping(dev, pages, size);  in arm_iommu_alloc_attrs()
1387 		return pages;  in arm_iommu_alloc_attrs()
1389 	addr = __iommu_alloc_remap(pages, size, gfp, prot,  in arm_iommu_alloc_attrs()
1399 	__iommu_free_buffer(dev, pages, size, attrs);  in arm_iommu_alloc_attrs()
1409 	struct page **pages = __iommu_get_pages(cpu_addr, attrs);  in arm_iommu_mmap_attrs()  local
1415 	if (!pages)  in arm_iommu_mmap_attrs()
1421 	pages += off;  in arm_iommu_mmap_attrs()
1424 		int ret = vm_insert_page(vma, uaddr, *pages++);  in arm_iommu_mmap_attrs()
1443 	struct page **pages;  in arm_iommu_free_attrs()  local
1451 	pages = __iommu_get_pages(cpu_addr, attrs);  in arm_iommu_free_attrs()
1452 	if (!pages) {  in arm_iommu_free_attrs()
1463 	__iommu_free_buffer(dev, pages, size, attrs);  in arm_iommu_free_attrs()
1471 	struct page **pages = __iommu_get_pages(cpu_addr, attrs);  in arm_iommu_get_sgtable()  local
1473 	if (!pages)  in arm_iommu_get_sgtable()
1476 	return sg_alloc_table_from_pages(sgt, pages, count, 0, size,  in arm_iommu_get_sgtable()