hg: jdk9/hs-rt/hotspot: 4 new changesets

[thomas.schatzl at oracle.com]

Changeset: 862e71c47a07
Author:    tschatzl
Date:      2015-11-10 11:07 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/862e71c47a07

8140597: Forcing an initial mark causes G1 to abort mixed collections
Summary: Postpone the initial mark request until the current mixed GC phase has finished.
Reviewed-by: mgerdin

! src/share/vm/gc/g1/g1CollectorPolicy.cpp
! src/share/vm/gc/g1/g1CollectorPolicy.hpp
! src/share/vm/prims/whitebox.cpp

Changeset: 54e0d5521e14
Author:    tschatzl
Date:      2015-11-10 11:07 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/54e0d5521e14

8139874: After G1 Full GC, the next GC is always a young-only GC
Summary: Allow initiation of an initial mark after Full GC
Reviewed-by: ehelin

! src/share/vm/gc/g1/g1CollectorPolicy.cpp

Changeset: bbd11e7bbe26
Author:    tschatzl
Date:      2015-11-10 11:07 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/bbd11e7bbe26

8138740: Start initial mark right after mixed GC if needed
Summary: Instead of issuing a single young-only GC after the end of all mixed GCs, if needed immediately start an initial mark in that young-only GC.
Reviewed-by: drwhite, mgerdin

! src/share/vm/gc/g1/g1CollectorPolicy.cpp
! src/share/vm/gc/g1/g1CollectorPolicy.hpp

Changeset: f17e5edbe761
Author:    tschatzl
Date:      2015-11-10 11:07 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/f17e5edbe761

8140689: Skip last young-only gc if nothing to do in the mixed gc phase
Reviewed-by: mgerdin, drwhite

! src/share/vm/gc/g1/g1CollectorPolicy.cpp