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src/share/vm/gc_implementation/g1/concurrentMark.cpp
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rev 7854 : 8058354: SPECjvm2008-Derby -2.7% performance regression on Solaris-X64 starting with 9-b29
Summary: Allow partial use of large pages for auxiliary data structures in G1.
Reviewed-by:
@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2015, 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
@@ -113,11 +113,11 @@
void CMBitMapRO::print_on_error(outputStream* st, const char* prefix) const {
_bm.print_on_error(st, prefix);
}
size_t CMBitMap::compute_size(size_t heap_size) {
- return heap_size / mark_distance();
+ return ReservedSpace::allocation_align_size_up(heap_size / mark_distance());
}
size_t CMBitMap::mark_distance() {
return MinObjAlignmentInBytes * BitsPerByte;
}
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