Index: bp-core/admin/bp-core-functions.php
===================================================================
--- bp-core/admin/bp-core-functions.php	(revision 7302)
+++ bp-core/admin/bp-core-functions.php	(working copy)
@@ -642,3 +642,99 @@
 
 	return $action;
 }
+
+/**
+ * Adds an action to user's row to mark him as spam/ham
+ * 
+ * @param  array $actions
+ * @param  object $user_object
+ * @uses current_user_can()
+ * @uses bp_loggedin_user_id()
+ * @uses bp_get_admin_url()
+ * @uses bp_is_user_spammer()
+ * @uses wp_nonce_url()
+ * @return array  $actions
+ */
+function bp_core_admin_user_row_actions( $actions, $user_object ) {
+
+	if ( current_user_can( 'edit_user',  $user_object->ID ) && bp_loggedin_user_id() != $user_object->ID ) {
+
+		$url = bp_get_admin_url( 'users.php' );
+
+		if( bp_is_user_spammer( $user_object->ID ) )
+			$actions['ham'] = "<a href='" . wp_nonce_url( $url."?action=ham&amp;user=$user_object->ID", 'bp-spam-user' ) . "'>" . __( 'Unmark as spammer' ) . "</a>";
+		else
+			$actions['spam'] = "<a class='submitdelete' href='" . wp_nonce_url( $url."?action=spam&amp;user=$user_object->ID", 'bp-spam-user' ) . "'>" . __( 'Mark as spammer' ) . "</a>";
+	}
+
+	return $actions;
+}
+
+/**
+ * Checks for a spam/ham user admin request and mark user as requested
+ * 
+ * @uses check_admin_referer()
+ * @uses wp_get_referer()
+ * @uses bp_core_process_spammer_status()
+ * @uses add_query_arg()
+ * @uses wp_redirect();
+ * @uses bp_core_add_admin_notice()
+ */
+function bp_core_admin_user_manage_spammers() {
+	add_action( 'admin_footer', 'bp_core_admin_user_spammed_js' );
+
+	$action = isset( $_REQUEST['action'] ) ? $_REQUEST['action'] : false;
+	$updated = isset( $_REQUEST['updated'] ) ? $_REQUEST['updated'] : false;
+	$bp = buddypress();
+
+	if( !empty( $action ) && in_array( $action, array( 'spam', 'ham' ) ) ) {
+
+		check_admin_referer( 'bp-spam-user' );
+
+		$user_id = !empty( $_REQUEST['user'] ) ? intval( $_REQUEST['user'] ) : false;
+
+		if( empty( $user_id ) )
+			return;
+	
+		$redirect = wp_get_referer();
+		
+		$status = ( $action == 'spam' ) ? 'spam' : 'ham';
+
+		// Treat user..
+		$bp->user_admin_spam = true;
+		bp_core_process_spammer_status( $user_id, $status );
+		
+		$redirect = add_query_arg( array( 'updated' => 'marked-'.$status ), $redirect);
+
+		wp_redirect( $redirect );
+		exit();
+	}
+
+	// admin feedback if needed
+	if( !empty( $updated ) && in_array( $updated, array( 'marked-spam', 'marked-ham' ) ) ) {
+
+		if ( 'marked-spam' == $_REQUEST['updated'] ) {
+			$notice = __( 'User marked as spammer. Spam users are visible only to site admins.', 'buddypress' );
+		} else {
+			$notice = __( 'User removed as spammer.', 'buddypress' );
+		}
+
+		$_SERVER['REQUEST_URI'] = remove_query_arg( 'updated' );
+
+		if( !empty( $notice ) ) {
+			bp_core_add_admin_notice( $notice );
+		}
+	}
+}
+
+function bp_core_admin_user_spammed_js() {
+	?>
+	<script type="text/javascript">
+		jQuery( document ).ready( function($) {
+			$( '.row-actions .ham').each( function() {
+				$(this).parent().parent().parent().addClass( 'site-spammed' );
+			});
+		});
+	</script>
+	<?php
+}
Index: bp-core/bp-core-admin.php
===================================================================
--- bp-core/bp-core-admin.php	(revision 7302)
+++ bp-core/bp-core-admin.php	(working copy)
@@ -132,6 +132,12 @@
 		// Add link to settings page
 		add_filter( 'plugin_action_links',               array( $this, 'modify_plugin_action_links' ), 10, 2 );
 		add_filter( 'network_admin_plugin_action_links', array( $this, 'modify_plugin_action_links' ), 10, 2 );
+
+		/** For non multisite blogs : users spamming management **************/
+		if( !is_multisite() ) {
+			add_filter( 'user_row_actions', 'bp_core_admin_user_row_actions', 10, 2 );
+			add_action( 'load-users.php',   'bp_core_admin_user_manage_spammers'    );
+		}
 	}
 
 	/**
Index: bp-members/bp-members-functions.php
===================================================================
--- bp-members/bp-members-functions.php	(revision 7302)
+++ bp-members/bp-members-functions.php	(working copy)
@@ -559,13 +559,14 @@
 	}
 
 	$is_spam = ( 'spam' == $status );
+	$bp = buddypress();
 
 	// Only you can prevent infinite loops
 	remove_action( 'make_spam_user', 'bp_core_mark_user_spam_admin' );
 	remove_action( 'make_ham_user',  'bp_core_mark_user_ham_admin'  );
 
 	// When marking as spam in the Dashboard, these actions are handled by WordPress
-	if ( !is_admin() ) {
+	if ( !is_admin() || !empty( $bp->user_admin_spam ) ) {
 
 		// Get the blogs for the user
 		$blogs = get_blogs_of_user( $user_id, true );