From 36e5ad61e63e2f1da9cf565c607db28f23622ea9 Mon Sep 17 00:00:00 2001
From: Aleksey Shipilev <shade@openjdk.org>
Date: Thu, 6 May 2021 20:34:49 +0000
Subject: [PATCH] 8263236: runtime/os/TestTracePageSizes.java fails on old
 kernels

Reviewed-by: dholmes, sjohanss, stuefe
---
 test/hotspot/jtreg/runtime/os/TestTracePageSizes.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/hotspot/jtreg/runtime/os/TestTracePageSizes.java b/test/hotspot/jtreg/runtime/os/TestTracePageSizes.java
index 4464cc9625a..78f327f9dd2 100644
--- a/test/hotspot/jtreg/runtime/os/TestTracePageSizes.java
+++ b/test/hotspot/jtreg/runtime/os/TestTracePageSizes.java
@@ -103,7 +103,7 @@ public class TestTracePageSizes {
     private static void parseSmaps() throws Exception {
         String smapsPatternString = "(\\w+)-(\\w+).*?" +
                                     "KernelPageSize:\\s*(\\d*) kB.*?" +
-                                    "VmFlags: ([\\w ]*)";
+                                    "VmFlags: ([\\w\\? ]*)";
         Pattern smapsPattern = Pattern.compile(smapsPatternString, Pattern.DOTALL);
         Scanner smapsScanner = new Scanner(new File("/proc/self/smaps"));
         // Find all memory segments in the smaps-file.