21 	struct snd_sg_buf *sgbuf = dmab->private_data;  in snd_free_sgbuf_pages()  local
25 	if (! sgbuf)  in snd_free_sgbuf_pages()
34 	tmpb.dev.dev = sgbuf->dev;  in snd_free_sgbuf_pages()
35 	for (i = 0; i < sgbuf->pages; i++) {  in snd_free_sgbuf_pages()
36 		if (!(sgbuf->table[i].addr & ~PAGE_MASK))  in snd_free_sgbuf_pages()
38 		tmpb.area = sgbuf->table[i].buf;  in snd_free_sgbuf_pages()
39 		tmpb.addr = sgbuf->table[i].addr & PAGE_MASK;  in snd_free_sgbuf_pages()
40 		tmpb.bytes = (sgbuf->table[i].addr & ~PAGE_MASK) << PAGE_SHIFT;  in snd_free_sgbuf_pages()
44 	kfree(sgbuf->table);  in snd_free_sgbuf_pages()
45 	kfree(sgbuf->page_table);  in snd_free_sgbuf_pages()
46 	kfree(sgbuf);  in snd_free_sgbuf_pages()
58 	struct snd_sg_buf *sgbuf;  in snd_malloc_sgbuf_pages()  local
68 	dmab->private_data = sgbuf = kzalloc(sizeof(*sgbuf), GFP_KERNEL);  in snd_malloc_sgbuf_pages()
69 	if (! sgbuf)  in snd_malloc_sgbuf_pages()
77 	sgbuf->dev = device;  in snd_malloc_sgbuf_pages()
79 	sgbuf->tblsize = sgbuf_align_table(pages);  in snd_malloc_sgbuf_pages()
80 	table = kcalloc(sgbuf->tblsize, sizeof(*table), GFP_KERNEL);  in snd_malloc_sgbuf_pages()
83 	sgbuf->table = table;  in snd_malloc_sgbuf_pages()
84 	pgtable = kcalloc(sgbuf->tblsize, sizeof(*pgtable), GFP_KERNEL);  in snd_malloc_sgbuf_pages()
87 	sgbuf->page_table = pgtable;  in snd_malloc_sgbuf_pages()
99 			if (!sgbuf->pages)  in snd_malloc_sgbuf_pages()
103 			size = sgbuf->pages * PAGE_SIZE;  in snd_malloc_sgbuf_pages()
117 		sgbuf->pages += chunk;  in snd_malloc_sgbuf_pages()
123 	sgbuf->size = size;  in snd_malloc_sgbuf_pages()
124 	dmab->area = vmap(sgbuf->page_table, sgbuf->pages, VM_MAP, prot);  in snd_malloc_sgbuf_pages()
128 		*res_size = sgbuf->size;  in snd_malloc_sgbuf_pages()