From 4951c920c5ac327f0eb3220c7a5875c92dd41872 Mon Sep 17 00:00:00 2001
From: Jean-Marie RENOUARD <jmrenouard@gmail.com>
Date: Tue, 7 Aug 2018 15:52:14 +0200
Subject: [PATCH] Incorrectly assumes 32bit architecture on s390x systems #390

---
 mysqltuner.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mysqltuner.pl b/mysqltuner.pl
index e9bde6f..566ac24 100755
--- a/mysqltuner.pl
+++ b/mysqltuner.pl
@@ -1985,7 +1985,7 @@ sub check_architecture {
         $arch = 64;
         goodprint "Operating on 64-bit architecture";
     }
-    elsif ( `uname` !~ /SunOS/ && `uname -m` =~ /64/ && `uname -m` !~ /s390x/ ) {
+    elsif ( `uname` !~ /SunOS/ && `uname -m` =~ /(64|s390x)/ ) {
         $arch = 64;
         goodprint "Operating on 64-bit architecture";
     }