hg: jdk/hs: 8197408: Bad pointer comparison and small cleanup in os_linux.cpp

[robbin.ehn at oracle.com]

Changeset: 6a5decfc5574
Author:    rehn
Date:      2018-02-27 14:15 +0100
URL:       http://hg.openjdk.java.net/jdk/hs/rev/6a5decfc5574

8197408: Bad pointer comparison and small cleanup in os_linux.cpp
Reviewed-by: bobv, stuefe

! src/hotspot/os/linux/osContainer_linux.cpp
! src/hotspot/os/linux/osContainer_linux.hpp
! src/hotspot/os/linux/os_linux.cpp
+ test/hotspot/jtreg/runtime/containers/cgroup/PlainRead.java