git: openjdk/jdk16u: 8266802: Shenandoah: Round up region size to page size unconditionally

[Zhengyu Gu]

Changeset: e0060a32
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2021-05-21 21:18:44 +0000
URL:       https://git.openjdk.java.net/jdk16u/commit/e0060a32ba7aa87678aebc707178fda6a49fb6a3

8266802: Shenandoah: Round up region size to page size unconditionally

Backport-of: e5d3ee394ae940ee0111489e6e072f327ec29c3b

! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.cpp
+ test/hotspot/jtreg/gc/shenandoah/options/TestLargePages.java