fix: Use real system memory via OperatingSystemMXBean

Replaces JVM Runtime heap values with actual system physical/swap
memory from com.sun.management.OperatingSystemMXBean, matching
the Win32 GlobalMemoryStatus values the originals returned.

1 files changed, 6 insertions, 6 deletions

diff --git a/NET/worlds/console/StatMemNode.java b/NET/worlds/console/StatMemNode.java
index b5031dd..903bf0d 100644
--- a/NET/worlds/console/StatMemNode.java
+++ b/NET/worlds/console/StatMemNode.java
@@ -5,6 +5,8 @@ import java.awt.List;
 
 public class StatMemNode extends StatMan implements MainCallback {
    private static StatMemNode _singleInstance = new StatMemNode();
+   private static final com.sun.management.OperatingSystemMXBean operatingSystemMXBean =
+      (com.sun.management.OperatingSystemMXBean) java.lang.management.ManagementFactory.getOperatingSystemMXBean();
    private int _lastTime;
    private static final int TITLE = 0;
    private static final int BLANK1 = 1;
@@ -103,11 +105,9 @@ public class StatMemNode extends StatMan implements MainCallback {
    }
 
    public void updateMemoryStatus() {
-      Runtime runtime = Runtime.getRuntime();
-      
-      this._totPhysMem = (int)runtime.maxMemory();
-      this._availPhysMem = (int)runtime.freeMemory();
-      this._totPageMem = (int)runtime.totalMemory();
-      this._availPageMem = (int)(runtime.maxMemory() - (runtime.totalMemory() - runtime.freeMemory()));
+      this._totPhysMem = (int)operatingSystemMXBean.getTotalPhysicalMemorySize();
+      this._availPhysMem = (int)operatingSystemMXBean.getFreePhysicalMemorySize();
+      this._totPageMem = (int)operatingSystemMXBean.getTotalSwapSpaceSize();
+      this._availPageMem = (int)operatingSystemMXBean.getFreeSwapSpaceSize();
    }
 }