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7121496: G1: do the per-region evacuation failure handling work in parallel

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Parallelize the removal of self forwarding pointers etc. by wrapping in a HeapRegion closure, which is then wrapped inside an AbstractGangTask.

Reviewed-by: tonyp, iveresov
This commit is contained in:
John Cuthbertson 2011-12-23 11:14:18 -08:00
parent c18293c806
commit 39d61f89a2
5 changed files with 262 additions and 168 deletions
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5
hotspot/src/share/vm/gc_implementation/g1/heapRegion.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -373,7 +373,8 @@ class HeapRegion: public G1OffsetTableContigSpace {
ScrubRemSetClaimValue = 3,
ParVerifyClaimValue = 4,
RebuildRSClaimValue = 5,
CompleteMarkCSetClaimValue = 6
CompleteMarkCSetClaimValue = 6,
ParEvacFailureClaimValue = 7
};
inline HeapWord* par_allocate_no_bot_updates(size_t word_size) {