8155917: Memory access in free regions during G1 full gc causes regressions in SPECjvm2008 scimark.fft,lu,sor,sparse with 9+116 on Linux-x64
Summary: Do not unnecessarily touch the memory of free regions during the compaction phase in G1 full gc causing some OSes to allocate physical memory for them, decreasing performance in some situations.
Reviewed-by: mgerdin, jmasa
README:
This file should be located at the top of the hotspot Mercurial repository.
See http://openjdk.java.net/ for more information about the OpenJDK.
See ../README-builds.html for complete details on build machine requirements.
Simple Build Instructions:
cd make && gnumake
The files that will be imported into the jdk build will be in the "build"
directory.