7ec38dcb84d61f6172bbb5a303bd5ab7139f7409 - platform/art

commit	7ec38dcb84d61f6172bbb5a303bd5ab7139f7409	[log] [tgz]
author	Mathieu Chartier <mathieuc@google.com>	Fri Oct 07 15:24:46 2016 -0700
committer	Mathieu Chartier <mathieuc@google.com>	Wed Oct 19 13:22:41 2016 -0700
tree	9facc157658bcc2d3d0beeefd9fe055c10598051
parent	c89f9776a107ca20d0146c16fa881db91c4f8266 [diff]

Persistent bitmap for region space

Fix bug where region space was not safely walkable due to holes
in the unevac regions possibly having dangling class pointers.

No preformance change, RAM overhead 1.1-1.2% .Heap (non LOS).

Test: test-art-host
Test: https://android-review.googlesource.com/#/c/288907/

Bug: 31522820

Change-Id: Ic4f8b7175e117689cb1ce3e28b082cf63f1f7b5a

runtime/gc/accounting/space_bitmap.cc[diff]
runtime/gc/accounting/space_bitmap.h[diff]
runtime/gc/accounting/space_bitmap_test.cc[diff]
runtime/gc/collector/concurrent_copying.cc[diff]
runtime/gc/heap.cc[diff]
runtime/gc/space/region_space-inl.h[diff]
runtime/gc/space/region_space.cc[diff]
runtime/gc/space/region_space.h[diff]

8 files changed

tree: 9facc157658bcc2d3d0beeefd9fe055c10598051