mcreboot/mcstop: adjust swappiness

arch/x86/tools/mcreboot-smp-x86.sh.in

@@ -267,6 +267,9 @@ if [ "`lsmod | grep ihk`" == "" ]; then
 	fi
 fi
 
+# Increase swappiness so that we have better chance to allocate memory for IHK
+echo 100 > /proc/sys/vm/swappiness
+
 # Drop Linux caches to free memory
 sync && echo 3 > /proc/sys/vm/drop_caches
 

arch/x86/tools/mcstop+release-smp-x86.sh.in

@@ -113,3 +113,5 @@ if [ "`systemctl status irqbalance_mck.service 2> /dev/null |grep -E 'Active: ac
 	fi
 fi
 
+# Set back default swappiness
+echo 60 > /proc/sys/vm/swappiness