From 09467b52cf1056ac159289ddc1b2c425f28d144a Mon Sep 17 00:00:00 2001
From: umherirrender <umherirrender_de.wp@web.de>
Date: Sun, 5 Oct 2014 19:26:36 +0200
Subject: [PATCH] Tune Skin::preloadExistence

Just preload user page and talk, when the personal bar is shown.
Use Skin::getRelevantTitle for the title to have the correct title
preloaded, when using for example [[Special:WhatLinksHere]].

Change-Id: I4363a9f3fd909cfdc341dc1a8c6c0189efd9b736
---
 includes/skins/Skin.php | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/includes/skins/Skin.php b/includes/skins/Skin.php
index e378278cd4..c8c4ba466b 100644
--- a/includes/skins/Skin.php
+++ b/includes/skins/Skin.php
@@ -239,25 +239,33 @@ abstract class Skin extends ContextSource {
 	 * Preload the existence of three commonly-requested pages in a single query
 	 */
 	function preloadExistence() {
+		$titles = array();
+
 		$user = $this->getUser();
+		$title = $this->getRelevantTitle();
 
 		// User/talk link
-		$titles = array( $user->getUserPage(), $user->getTalkPage() );
+		if ( $user->isLoggedIn() || $this->showIPinHeader() ) {
+			$titles[] = $user->getUserPage();
+			$titles[] = $user->getTalkPage();
+		}
 
 		// Other tab link
-		if ( $this->getTitle()->isSpecialPage() ) {
+		if ( $title->isSpecialPage() ) {
 			// nothing
-		} elseif ( $this->getTitle()->isTalkPage() ) {
-			$titles[] = $this->getTitle()->getSubjectPage();
+		} elseif ( $title->isTalkPage() ) {
+			$titles[] = $title->getSubjectPage();
 		} else {
-			$titles[] = $this->getTitle()->getTalkPage();
+			$titles[] = $title->getTalkPage();
 		}
 
 		wfRunHooks( 'SkinPreloadExistence', array( &$titles, $this ) );
 
-		$lb = new LinkBatch( $titles );
-		$lb->setCaller( __METHOD__ );
-		$lb->execute();
+		if ( count( $titles ) ) {
+			$lb = new LinkBatch( $titles );
+			$lb->setCaller( __METHOD__ );
+			$lb->execute();
+		}
 	}
 
 	/**
-- 
2.20.1