196 chain_init(struct chain_allocator *ca, gfp_t gfp_mask, int safe_needed)  in chain_init()  argument
198 	ca->chain = NULL;  in chain_init()
199 	ca->used_space = LINKED_PAGE_DATA_SIZE;  in chain_init()
200 	ca->gfp_mask = gfp_mask;  in chain_init()
201 	ca->safe_needed = safe_needed;  in chain_init()
204 static void *chain_alloc(struct chain_allocator *ca, unsigned int size)  in chain_alloc()  argument
208 	if (LINKED_PAGE_DATA_SIZE - ca->used_space < size) {  in chain_alloc()
211 		lp = get_image_page(ca->gfp_mask, ca->safe_needed);  in chain_alloc()
215 		lp->next = ca->chain;  in chain_alloc()
216 		ca->chain = lp;  in chain_alloc()
217 		ca->used_space = 0;  in chain_alloc()
219 	ret = ca->chain->data + ca->used_space;  in chain_alloc()
220 	ca->used_space += size;  in chain_alloc()
332 					   struct chain_allocator *ca,  in alloc_rtree_node()  argument
337 	node = chain_alloc(ca, sizeof(struct rtree_node));  in alloc_rtree_node()
358 			   int safe_needed, struct chain_allocator *ca)  in add_rtree_block()  argument
375 		node = alloc_rtree_node(gfp_mask, safe_needed, ca,  in add_rtree_block()
386 	block = alloc_rtree_node(gfp_mask, safe_needed, ca, &zone->leaves);  in add_rtree_block()
398 			node = alloc_rtree_node(gfp_mask, safe_needed, ca,  in add_rtree_block()
429 		     struct chain_allocator *ca,  in create_zone_bm_rtree()  argument
437 	zone  = chain_alloc(ca, sizeof(struct mem_zone_bm_rtree));  in create_zone_bm_rtree()
448 		if (add_rtree_block(zone, gfp_mask, safe_needed, ca)) {  in create_zone_bm_rtree()
573 	struct chain_allocator ca;  in memory_bm_create()  local
578 	chain_init(&ca, gfp_mask, safe_needed);  in memory_bm_create()
588 		zone = create_zone_bm_rtree(gfp_mask, safe_needed, &ca,  in memory_bm_create()
597 	bm->p_list = ca.chain;  in memory_bm_create()
604 	bm->p_list = ca.chain;  in memory_bm_create()
2224 get_highmem_page_buffer(struct page *page, struct chain_allocator *ca)  in get_highmem_page_buffer()  argument
2239 	pbe = chain_alloc(ca, sizeof(struct highmem_pbe));  in get_highmem_page_buffer()
2307 get_highmem_page_buffer(struct page *page, struct chain_allocator *ca)  in get_highmem_page_buffer()  argument
2417 static void *get_buffer(struct memory_bitmap *bm, struct chain_allocator *ca)  in get_buffer()  argument
2428 		return get_highmem_page_buffer(page, ca);  in get_buffer()
2439 	pbe = chain_alloc(ca, sizeof(struct pbe));  in get_buffer()
2471 	static struct chain_allocator ca;  in snapshot_write_next()  local
2513 			chain_init(&ca, GFP_ATOMIC, PG_SAFE);  in snapshot_write_next()
2516 			handle->buffer = get_buffer(&orig_bm, &ca);  in snapshot_write_next()
2525 		handle->buffer = get_buffer(&orig_bm, &ca);  in snapshot_write_next()