Index: wp-includes/ms-deprecated.php
===================================================================
--- wp-includes/ms-deprecated.php	(revision 15169)
+++ wp-includes/ms-deprecated.php	(working copy)
@@ -151,18 +151,63 @@
 /**
  * @since MU
  * @deprecated 3.0.0
+ * @deprecated Don't use this, really.
  */
 function get_blog_list( $start = 0, $num = 10, $deprecated = '' ) {
-	_deprecated_function( __FUNCTION__, '3.0' );
-	return 0;
+	_deprecated_function( __FUNCTION__, '3.0', "Don't use this, really." );
+
+	global $wpdb;
+	$blogs = $wpdb->get_results( $wpdb->prepare("SELECT blog_id, domain, path FROM $wpdb->blogs WHERE site_id = %d AND public = '1' AND archived = '0' AND mature = '0' AND spam = '0' AND deleted = '0' ORDER BY registered DESC", $wpdb->siteid), ARRAY_A );
+
+	foreach ( (array) $blogs as $details ) {
+		$blog_list[ $details['blog_id'] ] = $details;
+		$blog_list[ $details['blog_id'] ]['postcount'] = $wpdb->get_var( "SELECT COUNT(ID) FROM " . $wpdb->get_blog_prefix( $details['blog_id'] ). "posts WHERE post_status='publish' AND post_type='post'" );
+	}
+	unset( $blogs );
+	$blogs = $blog_list;
+
+	if ( false == is_array( $blogs ) )
+		return array();
+
+	if ( $num == 'all' )
+		return array_slice( $blogs, $start, count( $blogs ) );
+	else
+		return array_slice( $blogs, $start, $num );
 }
 
 /**
  * @since MU
  * @deprecated 3.0.0
+ * @deprecated Don't use this, really.
  */
 function get_most_active_blogs( $num = 10, $display = true ) {
-	_deprecated_function( __FUNCTION__, '3.0' );
-	return 0;
+	_deprecated_function( __FUNCTION__, '3.0', "Don't use this, really." );
+
+	$blogs = get_blog_list( 0, 'all', false ); // $blog_id -> $details
+	if ( is_array( $blogs ) ) {
+		reset( $blogs );
+		foreach ( (array) $blogs as $key => $details ) {
+			$most_active[ $details['blog_id'] ] = $details['postcount'];
+			$blog_list[ $details['blog_id'] ] = $details; // array_slice() removes keys!!
+		}
+		arsort( $most_active );
+		reset( $most_active );
+		foreach ( (array) $most_active as $key => $details )
+			$t[ $key ] = $blog_list[ $key ];
+
+		unset( $most_active );
+		$most_active = $t;
+	}
+
+	if ( $display == true ) {
+		if ( is_array( $most_active ) ) {
+			reset( $most_active );
+			foreach ( (array) $most_active as $key => $details ) {
+				$url = esc_url('http://' . $details['domain'] . $details['path']);
+				echo '<li>' . $details['postcount'] . " <a href='$url'>$url</a></li>";
+			}
+		}
+	}
+	return array_slice( $most_active, 0, $num );
 }
 ?>