140 	struct pci_page	*page;  in pool_alloc_page()  local
147 	page = (struct pci_page *) kmalloc (mapsize + sizeof *page, mem_flags);  in pool_alloc_page()
148 	if (!page)  in pool_alloc_page()
150 	page->vaddr = pci_alloc_consistent (pool->dev,  in pool_alloc_page()
152 					    &page->dma);  in pool_alloc_page()
153 	if (page->vaddr) {  in pool_alloc_page()
154 		memset (page->bitmap, 0xff, mapsize);	// bit set == free  in pool_alloc_page()
156 		memset (page->vaddr, POOL_POISON_BYTE, pool->allocation);  in pool_alloc_page()
158 		list_add (&page->page_list, &pool->page_list);  in pool_alloc_page()
160 		kfree (page);  in pool_alloc_page()
161 		page = 0;  in pool_alloc_page()
163 	return page;  in pool_alloc_page()
179 pool_free_page (struct pci_pool *pool, struct pci_page *page)  in pool_free_page()  argument
181 	dma_addr_t	dma = page->dma;  in pool_free_page()
184 	memset (page->vaddr, POOL_POISON_BYTE, pool->allocation);  in pool_free_page()
186 	pci_free_consistent (pool->dev, pool->allocation, page->vaddr, dma);  in pool_free_page()
187 	list_del (&page->page_list);  in pool_free_page()
188 	kfree (page);  in pool_free_page()
211 		struct pci_page		*page;  in pci_pool_destroy()  local
212 		page = list_entry (pool->page_list.next,  in pci_pool_destroy()
214 		if (is_page_busy (pool->blocks_per_page, page->bitmap)) {  in pci_pool_destroy()
216 				slot_name(pool), pool->name, page->vaddr);  in pci_pool_destroy()
218 			list_del (&page->page_list);  in pci_pool_destroy()
219 			kfree (page);  in pci_pool_destroy()
221 			pool_free_page (pool, page);  in pci_pool_destroy()
243 	struct pci_page		*page;  in pci_pool_alloc()  local
252 		page = list_entry (entry, struct pci_page, page_list);  in pci_pool_alloc()
257 			if (page->bitmap [map] == 0)  in pci_pool_alloc()
259 			block = ffz (~ page->bitmap [map]);  in pci_pool_alloc()
261 				clear_bit (block, &page->bitmap [map]);  in pci_pool_alloc()
268 	if (!(page = pool_alloc_page (pool, mem_flags))) {  in pci_pool_alloc()
286 	clear_bit (0, &page->bitmap [0]);  in pci_pool_alloc()
289 	retval = offset + page->vaddr;  in pci_pool_alloc()
290 	*handle = offset + page->dma;  in pci_pool_alloc()
302 	struct pci_page		*page;  in pool_find_page()  local
306 		page = list_entry (entry, struct pci_page, page_list);  in pool_find_page()
307 		if (dma < page->dma)  in pool_find_page()
309 		if (dma < (page->dma + pool->allocation))  in pool_find_page()
312 	page = 0;  in pool_find_page()
315 	return page;  in pool_find_page()
331 	struct pci_page		*page;  in pci_pool_free()  local
335 	if ((page = pool_find_page (pool, dma)) == 0) {  in pci_pool_free()
342 	block = dma - page->dma;  in pci_pool_free()
348 	if (((dma - page->dma) + (void *)page->vaddr) != vaddr) {  in pci_pool_free()
354 	if (page->bitmap [map] & (1UL << block)) {  in pci_pool_free()
364 	set_bit (block, &page->bitmap [map]);  in pci_pool_free()