623 	u_long newstart, newend, exend, beststart, bestovh, ovh;  in extent_alloc_subregion1()  local
722 	newstart = EXTENT_ALIGN(substart, alignment, skew);  in extent_alloc_subregion1()
723 	if (newstart < ex->ex_start) {  in extent_alloc_subregion1()
743 		if (rp->er_start >= newstart)  in extent_alloc_subregion1()
753 	if (last != NULL && last->er_end >= newstart)  in extent_alloc_subregion1()
754 		newstart = EXTENT_ALIGN((last->er_end + 1), alignment, skew);  in extent_alloc_subregion1()
770 		if (LE_OV(newstart, size, rp->er_start)) {  in extent_alloc_subregion1()
777 				newend = newstart + (size - 1);  in extent_alloc_subregion1()
783 				dontcross = EXTENT_ALIGN(newstart+1, boundary,  in extent_alloc_subregion1()
789 				    newstart, newend, ex->ex_start, ex->ex_end,  in extent_alloc_subregion1()
802 					newstart = dontcross + 1;  in extent_alloc_subregion1()
803 					newend = newstart + (size - 1);  in extent_alloc_subregion1()
805 					if (!LE_OV(newstart, size, rp->er_start))  in extent_alloc_subregion1()
815 				if (newstart + size - 1 > ex->ex_end ||  in extent_alloc_subregion1()
816 				    dontcross < newstart)  in extent_alloc_subregion1()
826 			ovh = rp->er_start - newstart - size;  in extent_alloc_subregion1()
836 				beststart = newstart;  in extent_alloc_subregion1()
845 		newstart = EXTENT_ALIGN((rp->er_end + 1), alignment, skew);  in extent_alloc_subregion1()
846 		if (newstart < rp->er_end) {  in extent_alloc_subregion1()
865 	if (LE_OV(newstart, (size - 1), subend)) {  in extent_alloc_subregion1()
872 			newend = newstart + (size - 1);  in extent_alloc_subregion1()
878 			dontcross = EXTENT_ALIGN(newstart+1, boundary,  in extent_alloc_subregion1()
884 			    newstart, newend, ex->ex_start, ex->ex_end,  in extent_alloc_subregion1()
897 				newstart = dontcross + 1;  in extent_alloc_subregion1()
898 				newend = newstart + (size - 1);  in extent_alloc_subregion1()
900 				if (!LE_OV(newstart, (size - 1), subend))  in extent_alloc_subregion1()
910 			if (newstart + size - 1 > ex->ex_end ||  in extent_alloc_subregion1()
911 			    dontcross < newstart)  in extent_alloc_subregion1()
921 		ovh = exend - newstart - (size - 1);  in extent_alloc_subregion1()
931 			beststart = newstart;  in extent_alloc_subregion1()
954 		newstart = beststart;  in extent_alloc_subregion1()
985 	extent_insert_and_optimize(ex, newstart, size, flags, last, myrp);  in extent_alloc_subregion1()
987 	*result = newstart;  in extent_alloc_subregion1()