317 	struct page_list *pl;  in alloc_pl()  local
319 	pl = kmalloc(sizeof(*pl), gfp);  in alloc_pl()
320 	if (!pl)  in alloc_pl()
324 		kcopyd_rsm_get_page(&pl->page);  in alloc_pl()
326 		pl->page = alloc_page(gfp);  in alloc_pl()
329 	if (!pl->page) {  in alloc_pl()
330 		kfree(pl);  in alloc_pl()
334 	return pl;  in alloc_pl()
337 static void free_pl(struct page_list *pl)  in free_pl()  argument
339 	struct page *p = pl->page;  in free_pl()
343 		kcopyd_rsm_drop_page(&pl->page);  in free_pl()
345 		__free_page(pl->page);  in free_pl()
347 	kfree(pl);  in free_pl()
354 static void kcopyd_put_pages(struct dm_kcopyd_client *kc, struct page_list *pl)  in kcopyd_put_pages()  argument
359 		next = pl->next;  in kcopyd_put_pages()
362 			free_pl(pl);  in kcopyd_put_pages()
364 			pl->next = kc->pages;  in kcopyd_put_pages()
365 			kc->pages = pl;  in kcopyd_put_pages()
369 		pl = next;  in kcopyd_put_pages()
370 	} while (pl);  in kcopyd_put_pages()
377 	struct page_list *pl;  in kcopyd_get_pages()  local
382 		pl = alloc_pl(__GFP_NOWARN | __GFP_NORETRY | __GFP_KSWAPD_RECLAIM, job_flags);  in kcopyd_get_pages()
383 		if (unlikely(!pl)) {  in kcopyd_get_pages()
385 			pl = kc->pages;  in kcopyd_get_pages()
386 			if (unlikely(!pl))  in kcopyd_get_pages()
388 			kc->pages = pl->next;  in kcopyd_get_pages()
391 		pl->next = *pages;  in kcopyd_get_pages()
392 		*pages = pl;  in kcopyd_get_pages()
406 static void drop_pages(struct page_list *pl)  in drop_pages()  argument
410 	while (pl) {  in drop_pages()
411 		next = pl->next;  in drop_pages()
412 		free_pl(pl);  in drop_pages()
413 		pl = next;  in drop_pages()
423 	struct page_list *pl = NULL, *next;  in client_reserve_pages()  local
428 			if (pl)  in client_reserve_pages()
429 				drop_pages(pl);  in client_reserve_pages()
432 		next->next = pl;  in client_reserve_pages()
433 		pl = next;  in client_reserve_pages()
437 	kcopyd_put_pages(kc, pl);  in client_reserve_pages()
674 		.mem.ptr.pl = job->pages,  in run_io_job()