hg: shenandoah/jdk9/hotspot: Fix TLAB flapping. Do not reply with MinTLABSize if we have no space left in current region, make allocator to ask for another region.

[ashipile at redhat.com]

Changeset: 7009fc6f74b3
Author:    shade
Date:      2016-12-06 19:41 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/7009fc6f74b3

Fix TLAB flapping. Do not reply with MinTLABSize if we have no space left in current region, make allocator to ask for another region.

! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc/shenandoah/shenandoahHeapRegion.cpp