Mercurial > hg > graal-jvmci-8
diff src/share/vm/gc_implementation/parallelScavenge/cardTableExtension.hpp @ 1612:fdde661c8e06
6952853: SIGSEGV with UseAdaptiveGCBoundary on 64b linux running jvm2008
Summary: Shrinking of a generation and the corresponding card table was causing part of the card table to be uncommitted.
Reviewed-by: jcoomes
| author | jmasa |
|---|---|
| date | Wed, 23 Jun 2010 08:35:31 -0700 |
| parents | c18cbe5936b8 |
| children | f95d63e2154a |
line wrap: on
line diff
--- a/src/share/vm/gc_implementation/parallelScavenge/cardTableExtension.hpp Thu Jun 10 08:27:35 2010 -0700 +++ b/src/share/vm/gc_implementation/parallelScavenge/cardTableExtension.hpp Wed Jun 23 08:35:31 2010 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2001, 2008, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2001, 2010, 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 @@ -30,7 +30,9 @@ class CardTableExtension : public CardTableModRefBS { private: // Support methods for resizing the card table. - void resize_commit_uncommit(int changed_region, MemRegion new_region); + // resize_commit_uncommit() returns true if the pages were committed or + // uncommitted + bool resize_commit_uncommit(int changed_region, MemRegion new_region); void resize_update_card_table_entries(int changed_region, MemRegion new_region); void resize_update_committed_table(int changed_region, MemRegion new_region);