514 static int bitmap_set_region(const struct region *r,  in bitmap_set_region()  argument
519 	if (r->end >= nbits)  in bitmap_set_region()
522 	for (start = r->start; start <= r->end; start += r->group_len)  in bitmap_set_region()
523 		bitmap_set(bitmap, start, min(r->end - start + 1, r->off));  in bitmap_set_region()
528 static int bitmap_check_region(const struct region *r)  in bitmap_check_region()  argument
530 	if (r->start > r->end || r->group_len == 0 || r->off > r->group_len)  in bitmap_check_region()
578 static const char *bitmap_parse_region(const char *str, struct region *r)  in bitmap_parse_region()  argument
580 	str = bitmap_getnum(str, &r->start);  in bitmap_parse_region()
590 	str = bitmap_getnum(str + 1, &r->end);  in bitmap_parse_region()
600 	str = bitmap_getnum(str + 1, &r->off);  in bitmap_parse_region()
607 	return bitmap_getnum(str + 1, &r->group_len);  in bitmap_parse_region()
610 	r->end = r->start;  in bitmap_parse_region()
612 	r->off = r->end + 1;  in bitmap_parse_region()
613 	r->group_len = r->end + 1;  in bitmap_parse_region()
644 	struct region r;  in bitmap_parselist()  local
654 		buf = bitmap_parse_region(buf, &r);  in bitmap_parselist()
658 		ret = bitmap_check_region(&r);  in bitmap_parselist()
662 		ret = bitmap_set_region(&r, maskp, nmaskbits);  in bitmap_parselist()