git: openjdk/jdk: 8314021: HeapDump: Optimize segmented heap file merging phase

[Yi Yang]

Changeset: 3760a044
Author:    Yi Yang <yyang at openjdk.org>
Date:      2023-09-19 02:03:15 +0000
URL:       https://git.openjdk.org/jdk/commit/3760a0448df7024f9b44fa2af11007de4dfcbbe2

8314021: HeapDump: Optimize segmented heap file merging phase

Reviewed-by: amenkov, kevinw

! src/hotspot/os/linux/os_linux.cpp
! src/hotspot/os/linux/os_linux.hpp
! src/hotspot/share/services/heapDumper.cpp
! src/hotspot/share/services/heapDumperCompression.hpp