ref: 45e25a7814636379585e9983b72c83a386410541
parent: ee07a261a0896630441de57087b819e583472d38
author: Yaowu Xu <yaowu@google.com>
date: Thu Jun 20 11:23:37 EDT 2013
Get some speed back for cpuused 1 and remove unused code. Change-Id: If380440c4450294b5450b7a9eeb94a376846ec01