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()
56 	struct mock_dmabuf *mock = to_mock(dma_buf);  in mock_dmabuf_release()  local
59 	for (i = 0; i < mock->npages; i++)  in mock_dmabuf_release()
60 		put_page(mock->pages[i]);  in mock_dmabuf_release()
62 	kfree(mock);  in mock_dmabuf_release()
67 	struct mock_dmabuf *mock = to_mock(dma_buf);  in mock_dmabuf_vmap()  local
69 	return vm_map_ram(mock->pages, mock->npages, 0, PAGE_KERNEL);  in mock_dmabuf_vmap()
74 	struct mock_dmabuf *mock = to_mock(dma_buf);  in mock_dmabuf_vunmap()  local
76 	vm_unmap_ram(vaddr, mock->npages);  in mock_dmabuf_vunmap()
81 	struct mock_dmabuf *mock = to_mock(dma_buf);  in mock_dmabuf_kmap()  local
83 	return kmap(mock->pages[page_num]);  in mock_dmabuf_kmap()
88 	struct mock_dmabuf *mock = to_mock(dma_buf);  in mock_dmabuf_kunmap()  local
90 	return kunmap(mock->pages[page_num]);  in mock_dmabuf_kunmap()
111 	struct mock_dmabuf *mock;  in mock_dmabuf()  local
116 	mock = kmalloc(sizeof(*mock) + npages * sizeof(struct page *),  in mock_dmabuf()
118 	if (!mock)  in mock_dmabuf()
121 	mock->npages = npages;  in mock_dmabuf()
123 		mock->pages[i] = alloc_page(GFP_KERNEL);  in mock_dmabuf()
124 		if (!mock->pages[i])  in mock_dmabuf()
131 	exp_info.priv = mock;  in mock_dmabuf()
141 		put_page(mock->pages[i]);  in mock_dmabuf()
142 	kfree(mock);  in mock_dmabuf()