66 						  int nr_pages)  in videobuf_vmalloc_to_sg()  argument
72 	sglist = vzalloc(nr_pages * sizeof(*sglist));  in videobuf_vmalloc_to_sg()
75 	sg_init_table(sglist, nr_pages);  in videobuf_vmalloc_to_sg()
76 	for (i = 0; i < nr_pages; i++, virt += PAGE_SIZE) {  in videobuf_vmalloc_to_sg()
96 					int nr_pages, int offset, size_t size)  in videobuf_pages_to_sg()  argument
103 	sglist = vmalloc(nr_pages * sizeof(*sglist));  in videobuf_pages_to_sg()
106 	sg_init_table(sglist, nr_pages);  in videobuf_pages_to_sg()
114 	for (i = 1; i < nr_pages; i++) {  in videobuf_pages_to_sg()
176 	dma->nr_pages = last-first+1;  in videobuf_dma_init_user_locked()
177 	dma->pages = kmalloc(dma->nr_pages * sizeof(struct page *), GFP_KERNEL);  in videobuf_dma_init_user_locked()
182 		data, size, dma->nr_pages);  in videobuf_dma_init_user_locked()
185 			     data & PAGE_MASK, dma->nr_pages,  in videobuf_dma_init_user_locked()
189 	if (err != dma->nr_pages) {  in videobuf_dma_init_user_locked()
190 		dma->nr_pages = (err >= 0) ? err : 0;  in videobuf_dma_init_user_locked()
191 		dprintk(1, "get_user_pages: err=%d [%d]\n", err, dma->nr_pages);  in videobuf_dma_init_user_locked()
210 			     int nr_pages)  in videobuf_dma_init_kernel()  argument
214 	dprintk(1, "init kernel [%d pages]\n", nr_pages);  in videobuf_dma_init_kernel()
217 	dma->vaddr_pages = kcalloc(nr_pages, sizeof(*dma->vaddr_pages),  in videobuf_dma_init_kernel()
222 	dma->dma_addr = kcalloc(nr_pages, sizeof(*dma->dma_addr), GFP_KERNEL);  in videobuf_dma_init_kernel()
227 	for (i = 0; i < nr_pages; i++) {  in videobuf_dma_init_kernel()
237 	dma->vaddr = vmap(dma->vaddr_pages, nr_pages, VM_MAP | VM_IOREMAP,  in videobuf_dma_init_kernel()
240 		dprintk(1, "vmalloc_32(%d pages) failed\n", nr_pages);  in videobuf_dma_init_kernel()
246 				nr_pages << PAGE_SHIFT);  in videobuf_dma_init_kernel()
248 	memset(dma->vaddr, 0, nr_pages << PAGE_SHIFT);  in videobuf_dma_init_kernel()
249 	dma->nr_pages = nr_pages;  in videobuf_dma_init_kernel()
270 			      dma_addr_t addr, int nr_pages)  in videobuf_dma_init_overlay()  argument
273 		nr_pages, (unsigned long)addr);  in videobuf_dma_init_overlay()
280 	dma->nr_pages = nr_pages;  in videobuf_dma_init_overlay()
288 	BUG_ON(0 == dma->nr_pages);  in videobuf_dma_map()
291 		dma->sglist = videobuf_pages_to_sg(dma->pages, dma->nr_pages,  in videobuf_dma_map()
296 						     dma->nr_pages);  in videobuf_dma_map()
305 			sg_dma_len(&dma->sglist[0]) = dma->nr_pages * PAGE_SIZE;  in videobuf_dma_map()
314 					dma->nr_pages, dma->direction);  in videobuf_dma_map()
352 		for (i = 0; i < dma->nr_pages; i++)  in videobuf_dma_free()
359 		for (i = 0; i < dma->nr_pages; i++) {  in videobuf_dma_free()