Don't ask the kernel to copy data to userspace if we don't need it. (Noticed while cleaning up sysconf to not call clock_getres.) Change-Id: Icc0f7559775b8a2dcefe638ce831d06b75d67122
Bug: 18490039 Change-Id: I01fa83b48e1b908de1f227b6e4f98e280bcd50ee