engine: Fix incorrect value in audit log warning

The memory usage number in VDS_HIGH_MEM_USE warning should
be the usage of normal memory, not the total usage of
normal memory and hugepages memory. This patch corrects
the memory usage value in the audit log.

Bug-Url: https://bugzilla.redhat.com/2101503

backend/manager/modules/vdsbroker/src/main/java/org/ovirt/engine/core/vdsbroker/monitoring/HostMonitoring.java

@@ -335,7 +335,7 @@ private void checkVdsMemoryThresholdPercentage(Cluster cluster, VdsStatistics st
         long memUsage = 100 - Math.round(100 * memFree / (double) memTotal);
 
         if (memUsage > maxUsedPercentageThreshold) {
-            logMemoryAuditLog(vds, cluster, stat, AuditLogType.VDS_HIGH_MEM_USE, maxUsedPercentageThreshold);
+            logMemoryAuditLog(vds, cluster, memUsage, AuditLogType.VDS_HIGH_MEM_USE, maxUsedPercentageThreshold);
         }
     }
 
@@ -348,6 +348,19 @@ private void checkVdsMemoryThresholdAbsoluteValue(Cluster cluster, VdsStatistics
         }
     }
 
+    private void logMemoryAuditLog(VDS vds,
+            Cluster cluster,
+            Long memUsage,
+            AuditLogType valueToLog,
+            Integer threshold) {
+        AuditLogable logable = createAuditLogableForHost();
+        logable.addCustomValue("HostName", vds.getName());
+        logable.addCustomValue("Cluster", cluster.getName());
+        logable.addCustomValue("UsedMemory", memUsage.toString());
+        logable.addCustomValue("Threshold", threshold.toString());
+        auditLog(logable, valueToLog);
+    }
+
     private void logMemoryAuditLog(VDS vds,
             Cluster cluster,
             VdsStatistics stat,