hg: jdk/jdk: 8202842: G1 footprint regressions in jdk11+10

[thomas.schatzl at oracle.com]

Changeset: bc1336220671
Author:    tschatzl
Date:      2018-05-28 11:13 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/bc1336220671

8202842: G1 footprint regressions in jdk11+10
Summary: Lazily initialize G1FromCardCache to save on startup footprint if AlwaysPretouch is disabled.
Reviewed-by: sjohanss, redestad

! src/hotspot/share/gc/g1/g1CollectedHeap.cpp
! src/hotspot/share/gc/g1/g1FromCardCache.cpp
! src/hotspot/share/gc/g1/g1FromCardCache.hpp
! src/hotspot/share/gc/g1/g1RegionMarkStatsCache.cpp
! src/hotspot/share/memory/padded.hpp
! src/hotspot/share/memory/padded.inline.hpp