Lines Matching defs:buf
25 struct comedi_buf_page *buf;
34 buf = &bm->page_list[0];
37 buf->virt_addr, buf->dma_addr);
40 buf = &bm->page_list[i];
41 ClearPageReserved(virt_to_page(buf->virt_addr));
42 free_page((unsigned long)buf->virt_addr);
78 struct comedi_buf_page *buf;
92 bm->page_list = vzalloc(sizeof(*buf) * n_pages);
111 buf = &bm->page_list[i];
112 buf->virt_addr = virt_addr + (i << PAGE_SHIFT);
113 buf->dma_addr = dma_addr + (i << PAGE_SHIFT);
119 buf = &bm->page_list[i];
120 buf->virt_addr = (void *)get_zeroed_page(GFP_KERNEL);
121 if (!buf->virt_addr)
124 SetPageReserved(virt_to_page(buf->virt_addr));
146 struct comedi_buf_page *buf;
169 buf = &bm->page_list[0];
170 async->prealloc_buf = buf->virt_addr;
177 buf = &bm->page_list[i];
178 pages[i] = virt_to_page(buf->virt_addr);
204 void *buf, int len, int write)
215 memcpy(b, buf, l);
217 memcpy(buf, b, l);
218 buf += l;