323 static void __bm_unmap(unsigned long *p_addr)  in __bm_unmap()  argument
325 	kunmap_atomic(p_addr);  in __bm_unmap()
328 static void bm_unmap(unsigned long *p_addr)  in bm_unmap()  argument
330 	return __bm_unmap(p_addr);  in bm_unmap()
485 	unsigned long *p_addr, *bm;  in bm_clear_surplus()  local
497 	p_addr = bm_map_pidx(b, b->bm_number_of_pages - 1);  in bm_clear_surplus()
498 	bm = p_addr + (tmp/BITS_PER_LONG);  in bm_clear_surplus()
509 	if (BITS_PER_LONG == 32 && ((bm - p_addr) & 1) == 1) {  in bm_clear_surplus()
515 	bm_unmap(p_addr);  in bm_clear_surplus()
522 	unsigned long *p_addr, *bm;  in bm_set_surplus()  local
533 	p_addr = bm_map_pidx(b, b->bm_number_of_pages - 1);  in bm_set_surplus()
534 	bm = p_addr + (tmp/BITS_PER_LONG);  in bm_set_surplus()
544 	if (BITS_PER_LONG == 32 && ((bm - p_addr) & 1) == 1) {  in bm_set_surplus()
549 	bm_unmap(p_addr);  in bm_set_surplus()
556 	unsigned long *p_addr;  in bm_count_bits()  local
563 		p_addr = __bm_map_pidx(b, idx);  in bm_count_bits()
564 		bits += bitmap_weight(p_addr, BITS_PER_PAGE);  in bm_count_bits()
565 		__bm_unmap(p_addr);  in bm_count_bits()
570 	p_addr = __bm_map_pidx(b, idx);  in bm_count_bits()
571 	bits += bitmap_weight(p_addr, last_word * BITS_PER_LONG);  in bm_count_bits()
572 	p_addr[last_word] &= cpu_to_lel(mask);  in bm_count_bits()
573 	bits += hweight_long(p_addr[last_word]);  in bm_count_bits()
576 		p_addr[last_word+1] = 0;  in bm_count_bits()
577 	__bm_unmap(p_addr);  in bm_count_bits()
584 	unsigned long *p_addr, *bm;  in bm_memset()  local
598 		p_addr = bm_map_pidx(b, idx);  in bm_memset()
599 		bm = p_addr + MLPP(offset);  in bm_memset()
600 		if (bm+do_now > p_addr + LWPP) {  in bm_memset()
602 			       p_addr, bm, (int)do_now);  in bm_memset()
605 		bm_unmap(p_addr);  in bm_memset()
812 	unsigned long *p_addr, *bm;  in drbd_bm_merge_lel()  local
832 		p_addr = bm_map_pidx(b, idx);  in drbd_bm_merge_lel()
833 		bm = p_addr + MLPP(offset);  in drbd_bm_merge_lel()
841 		bm_unmap(p_addr);  in drbd_bm_merge_lel()
861 	unsigned long *p_addr, *bm;  in drbd_bm_get_lel()  local
882 			p_addr = bm_map_pidx(b, bm_word_to_page_idx(b, offset));  in drbd_bm_get_lel()
883 			bm = p_addr + MLPP(offset);  in drbd_bm_get_lel()
887 			bm_unmap(p_addr);  in drbd_bm_get_lel()
1259 	unsigned long *p_addr;  in __bm_find_next()  local
1271 			p_addr = __bm_map_pidx(b, bm_bit_to_page_idx(b, bm_fo));  in __bm_find_next()
1274 				i = find_next_zero_bit_le(p_addr,  in __bm_find_next()
1277 				i = find_next_bit_le(p_addr,  in __bm_find_next()
1280 			__bm_unmap(p_addr);  in __bm_find_next()
1353 	unsigned long *p_addr = NULL;  in __bm_change_bits_to()  local
1367 			if (p_addr)  in __bm_change_bits_to()
1368 				__bm_unmap(p_addr);  in __bm_change_bits_to()
1375 			p_addr = __bm_map_pidx(b, page_nr);  in __bm_change_bits_to()
1379 			c += (0 == __test_and_set_bit_le(bitnr & BITS_PER_PAGE_MASK, p_addr));  in __bm_change_bits_to()
1381 			c -= (0 != __test_and_clear_bit_le(bitnr & BITS_PER_PAGE_MASK, p_addr));  in __bm_change_bits_to()
1383 	if (p_addr)  in __bm_change_bits_to()
1384 		__bm_unmap(p_addr);  in __bm_change_bits_to()
1548 	unsigned long *p_addr;  in drbd_bm_test_bit()  local
1560 		p_addr = bm_map_pidx(b, bm_bit_to_page_idx(b, bitnr));  in drbd_bm_test_bit()
1561 		i = test_bit_le(bitnr & BITS_PER_PAGE_MASK, p_addr) ? 1 : 0;  in drbd_bm_test_bit()
1562 		bm_unmap(p_addr);  in drbd_bm_test_bit()
1579 	unsigned long *p_addr = NULL;  in drbd_bm_count_bits()  local
1600 			if (p_addr)  in drbd_bm_count_bits()
1601 				bm_unmap(p_addr);  in drbd_bm_count_bits()
1602 			p_addr = bm_map_pidx(b, idx);  in drbd_bm_count_bits()
1605 			c += (0 != test_bit_le(bitnr - (page_nr << (PAGE_SHIFT+3)), p_addr));  in drbd_bm_count_bits()
1609 	if (p_addr)  in drbd_bm_count_bits()
1610 		bm_unmap(p_addr);  in drbd_bm_count_bits()
1635 	unsigned long *p_addr, *bm;  in drbd_bm_e_weight()  local
1651 		p_addr = bm_map_pidx(b, bm_word_to_page_idx(b, s));  in drbd_bm_e_weight()
1652 		bm = p_addr + MLPP(s);  in drbd_bm_e_weight()
1654 		bm_unmap(p_addr);  in drbd_bm_e_weight()