134 static void *buffer;  variable
1391 			safe_copy_page(buffer, s_page);  in copy_data_page()
1393 			copy_page(dst, buffer);  in copy_data_page()
1504 	buffer = NULL;  in swsusp_free()
1900 	buffer = get_image_page(GFP_ATOMIC, safe_needed);  in get_highmem_buffer()
1901 	return buffer ? 0 : -ENOMEM;  in get_highmem_buffer()
2100 	if (!buffer) {  in snapshot_read_next()
2102 		buffer = get_image_page(GFP_ATOMIC, PG_ANY);  in snapshot_read_next()
2103 		if (!buffer)  in snapshot_read_next()
2109 		error = init_header((struct swsusp_info *)buffer);  in snapshot_read_next()
2112 		handle->buffer = buffer;  in snapshot_read_next()
2116 		clear_page(buffer);  in snapshot_read_next()
2117 		pack_pfns(buffer, &orig_bm);  in snapshot_read_next()
2131 			copy_page(buffer, kaddr);  in snapshot_read_next()
2133 			handle->buffer = buffer;  in snapshot_read_next()
2135 			handle->buffer = page_address(page);  in snapshot_read_next()
2364 		return buffer;  in get_highmem_page_buffer()
2380 		kaddr = buffer;  in get_highmem_page_buffer()
2409 		copy_page(dst, buffer);  in copy_last_highmem_page()
2425 	if (buffer)  in free_highmem_data()
2426 		free_image_page(buffer, PG_UNSAFE_CLEAR);  in free_highmem_data()
2469 	free_image_page(buffer, PG_UNSAFE_CLEAR);  in prepare_image()
2470 	buffer = NULL;  in prepare_image()
2603 		if (!buffer)  in snapshot_write_next()
2605 			buffer = get_image_page(GFP_ATOMIC, PG_ANY);  in snapshot_write_next()
2607 		if (!buffer)  in snapshot_write_next()
2610 		handle->buffer = buffer;  in snapshot_write_next()
2612 		error = load_header(buffer);  in snapshot_write_next()
2629 		error = unpack_orig_pfns(buffer, &copy_bm);  in snapshot_write_next()
2641 			handle->buffer = get_buffer(&orig_bm, &ca);  in snapshot_write_next()
2643 			if (IS_ERR(handle->buffer))  in snapshot_write_next()
2644 				return PTR_ERR(handle->buffer);  in snapshot_write_next()
2649 		page_key_write(handle->buffer);  in snapshot_write_next()
2650 		hibernate_restore_protect_page(handle->buffer);  in snapshot_write_next()
2651 		handle->buffer = get_buffer(&orig_bm, &ca);  in snapshot_write_next()
2652 		if (IS_ERR(handle->buffer))  in snapshot_write_next()
2653 			return PTR_ERR(handle->buffer);  in snapshot_write_next()
2654 		if (handle->buffer != buffer)  in snapshot_write_next()
2673 	page_key_write(handle->buffer);  in snapshot_write_finalize()
2675 	hibernate_restore_protect_page(handle->buffer);  in snapshot_write_finalize()