git: openjdk/jdk: 8260267: ZGC: Reduce mark stack usage

[Per Liden]

Changeset: aba22656
Author:    Per Liden <pliden at openjdk.org>
Date:      2021-05-20 11:32:48 +0000
URL:       https://git.openjdk.java.net/jdk/commit/aba22656829913d5f8d619a184c929a7de8431e4

8260267: ZGC: Reduce mark stack usage

Co-authored-by: Wang Chao <wchao at openjdk.org>
Co-authored-by: Hui Shi <hshi at openjdk.org>
Reviewed-by: sjohanss, ayang

! src/hotspot/share/gc/z/zBarrier.cpp
! src/hotspot/share/gc/z/zBarrier.hpp
! src/hotspot/share/gc/z/zBarrier.inline.hpp
! src/hotspot/share/gc/z/zDriver.cpp
! src/hotspot/share/gc/z/zDriver.hpp
! src/hotspot/share/gc/z/zHeap.cpp
! src/hotspot/share/gc/z/zHeap.hpp
! src/hotspot/share/gc/z/zHeap.inline.hpp
! src/hotspot/share/gc/z/zMark.cpp
! src/hotspot/share/gc/z/zMark.hpp
! src/hotspot/share/gc/z/zMark.inline.hpp
! src/hotspot/share/gc/z/zMarkStack.hpp
! src/hotspot/share/gc/z/zMarkStack.inline.hpp
! src/hotspot/share/gc/z/zMarkStackAllocator.cpp
! src/hotspot/share/gc/z/zMarkStackAllocator.hpp
! src/hotspot/share/gc/z/zMarkStackEntry.hpp
! src/hotspot/share/gc/z/zPage.hpp
! src/hotspot/share/gc/z/zPage.inline.hpp
! src/hotspot/share/gc/z/zStat.cpp
! src/hotspot/share/gc/z/zStat.hpp