hg: jdk/sandbox: 5 new changesets

[chris.hegarty at oracle.com]

Changeset: e6e4b43ee3ce
Author:    pliden
Date:      2020-01-30 12:41 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/e6e4b43ee3ce

8237649: ZGC: Improved NUMA support when using small pages
Reviewed-by: eosterlund, smonteith

! src/hotspot/os/linux/gc/z/zPhysicalMemoryBacking_linux.cpp
! src/hotspot/os/linux/gc/z/zPhysicalMemoryBacking_linux.hpp
! src/hotspot/os/linux/os_linux.cpp
! src/hotspot/os/linux/os_linux.hpp
! src/hotspot/share/gc/z/zNUMA.cpp
! src/hotspot/share/gc/z/zPhysicalMemory.cpp

Changeset: b576a0ead397
Author:    pliden
Date:      2020-01-30 12:41 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/b576a0ead397

8237758: ZGC: Move get_mempolicy() syscall wrapper to ZSyscall
Reviewed-by: eosterlund

! src/hotspot/os/linux/gc/z/zNUMA_linux.cpp
! src/hotspot/os/linux/gc/z/zSyscall_linux.cpp
! src/hotspot/os/linux/gc/z/zSyscall_linux.hpp
! src/hotspot/share/gc/z/zPage.inline.hpp

Changeset: 9c2c9e22c8ba
Author:    pliden
Date:      2020-01-30 12:41 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/9c2c9e22c8ba

8237825: ZGC: Replace -XX:ZPath with -XX:AllocateHeapAt
Reviewed-by: eosterlund

! src/hotspot/os/linux/gc/z/zMountPoint_linux.cpp
! src/hotspot/os/linux/gc/z/zPhysicalMemoryBacking_linux.cpp
! src/hotspot/share/gc/z/z_globals.hpp
! src/hotspot/share/runtime/arguments.cpp

Changeset: fe7c8e8eca0b
Author:    pliden
Date:      2020-01-30 12:41 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/fe7c8e8eca0b

8237884: ZGC: Use clamp() instead of MIN2(MAX2())
Reviewed-by: kbarrett, smonteith

! src/hotspot/share/gc/z/zHeuristics.cpp

Changeset: 58acc5079000
Author:    pliden
Date:      2020-01-30 12:42 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/58acc5079000

8237882: ZGC: Remove ZUtils::round_{up,down}_power_of_2() declarations
Reviewed-by: kbarrett, smonteith

! src/hotspot/share/gc/z/zUtils.hpp