12 	struct mock_dmabuf *mock = to_mock(attachment->dmabuf);  in mock_map_dma_buf()  local
21 	err = sg_alloc_table(st, mock->npages, GFP_KERNEL);  in mock_map_dma_buf()
26 	for (i = 0; i < mock->npages; i++) {  in mock_map_dma_buf()
27 		sg_set_page(sg, mock->pages[i], PAGE_SIZE, 0);  in mock_map_dma_buf()
55 	struct mock_dmabuf *mock = to_mock(dma_buf);  in mock_dmabuf_release()  local
58 	for (i = 0; i < mock->npages; i++)  in mock_dmabuf_release()
59 		put_page(mock->pages[i]);  in mock_dmabuf_release()
61 	kfree(mock);  in mock_dmabuf_release()
66 	struct mock_dmabuf *mock = to_mock(dma_buf);  in mock_dmabuf_vmap()  local
69 	vaddr = vm_map_ram(mock->pages, mock->npages, 0);  in mock_dmabuf_vmap()
79 	struct mock_dmabuf *mock = to_mock(dma_buf);  in mock_dmabuf_vunmap()  local
81 	vm_unmap_ram(map->vaddr, mock->npages);  in mock_dmabuf_vunmap()
100 	struct mock_dmabuf *mock;  in mock_dmabuf()  local
105 	mock = kmalloc(sizeof(*mock) + npages * sizeof(struct page *),  in mock_dmabuf()
107 	if (!mock)  in mock_dmabuf()
110 	mock->npages = npages;  in mock_dmabuf()
112 		mock->pages[i] = alloc_page(GFP_KERNEL);  in mock_dmabuf()
113 		if (!mock->pages[i])  in mock_dmabuf()
120 	exp_info.priv = mock;  in mock_dmabuf()
130 		put_page(mock->pages[i]);  in mock_dmabuf()
131 	kfree(mock);  in mock_dmabuf()