diff --git a/wp-includes/link-template.php b/wp-includes/link-template.php
index 3ba099bdc1..14d7e8fc89 100644
--- a/wp-includes/link-template.php
+++ b/wp-includes/link-template.php
@@ -868,7 +868,7 @@ function get_next_post($in_same_cat = false, $excluded_categories = '') {
 function get_adjacent_post($in_same_cat = false, $excluded_categories = '', $previous = true) {
 	global $post, $wpdb;
 
-	if( empty($post) || !is_single() || is_attachment() )
+	if ( empty($post) || !is_single() || is_attachment() )
 		return null;
 
 	$current_post_date = $post->post_date;
@@ -905,7 +905,15 @@ function get_adjacent_post($in_same_cat = false, $excluded_categories = '', $pre
 	$where = apply_filters( "get_{$adjacent}_post_where", $wpdb->prepare("WHERE p.post_date $op %s AND p.post_type = 'post' AND p.post_status = 'publish' $posts_in_ex_cats_sql", $current_post_date), $in_same_cat, $excluded_categories );
 	$sort  = apply_filters( "get_{$adjacent}_post_sort", "ORDER BY p.post_date $order LIMIT 1" );
 
-	return $wpdb->get_row("SELECT p.* FROM $wpdb->posts AS p $join $where $sort");
+	$query = "SELECT p.* FROM $wpdb->posts AS p $join $where $sort";
+	$query_key = 'adjacent_post_' . md5($query);
+	$result = wp_cache_get($query_key, 'counts');
+	if ( false !== $result )
+		return $result;
+
+	$result = $wpdb->get_row("SELECT p.* FROM $wpdb->posts AS p $join $where $sort");
+	wp_cache_set($query_key, $result, 'counts');
+	return $result;
 }
 
 /**