Add ability to run smoke_Suite on x86-pre-flight-queue.

lib/cros_vm_lib.sh

 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # Common vm functions for use in crosutils.
 
-. "$(dirname "$0")/cros_vm_constants.sh"
-
 DEFINE_string kvm_pid "" \
   "Use this pid file.  If it exists and is set, use the vm specified by pid."
 DEFINE_boolean no_graphics ${FLAGS_FALSE} "Runs the KVM instance silently."
 DEFINE_boolean persist "${FLAGS_FALSE}" "Persist vm."
 DEFINE_boolean snapshot ${FLAGS_FALSE} "Don't commit changes to image."
 DEFINE_integer ssh_port 9222 "Port to tunnel ssh traffic over."
 
 KVM_PID_FILE=/tmp/kvm.$$.pid
 
 function get_pid() {
@@ skipping 22 matching lines @@
     local nographics=""
     local usesnapshot=""
     if [ ${FLAGS_no_graphics} -eq ${FLAGS_TRUE} ]; then
       nographics="-nographic"
     fi
 
     if [ ${FLAGS_snapshot} -eq ${FLAGS_TRUE} ]; then
       snapshot="-snapshot"
     fi
 
-    sudo kvm -m ${DEFAULT_MEM} \
+    sudo kvm -m 1024 \
       -vga std \
       -pidfile "${KVM_PID_FILE}" \
       -daemonize \
       -net nic \
       ${nographics} \
       ${snapshot} \
       -net user,hostfwd=tcp::${FLAGS_ssh_port}-:22 \
       -hda "${1}"
   fi
 }
 
 function stop_kvm() {
   if [ "${FLAGS_persist}" -eq "${FLAGS_TRUE}" ]; then
     echo "Persist requested.  Use --ssh_port ${FLAGS_ssh_port} " \
       "--kvm_pid ${KVM_PID_FILE} to re-connect to it."
   else
     echo "Stopping the KVM instance"
     local pid=$(get_pid)
     echo "Killing ${pid}"
     sudo kill ${pid}
     sudo rm "${KVM_PID_FILE}"
   fi
 }