Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/shared/spaceDecorator.cpp @ 10290:05a17f270c7e
8014240: G1: Add remembered set size information to output of G1PrintRegionLivenessInfo
Summary: Improve the output of G1PrintRegionLivenessInfo by adding a per-region remembered set size information column
Reviewed-by: jwilhelm, johnc
author | tschatzl |
---|---|
date | Thu, 16 May 2013 13:02:33 +0200 |
parents | f95d63e2154a |
children | 78bbf4d43a14 |
rev | line source |
---|---|
263
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
1 /* |
1972 | 2 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. |
263
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
4 * |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
7 * published by the Free Software Foundation. |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
8 * |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
13 * accompanied this code). |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
14 * |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
18 * |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
337
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
337
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
337
diff
changeset
|
21 * questions. |
263
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
22 * |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
23 */ |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
24 |
1972 | 25 #include "precompiled.hpp" |
26 #include "gc_implementation/shared/spaceDecorator.hpp" | |
27 #include "memory/space.inline.hpp" | |
28 #include "utilities/copy.hpp" | |
263
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
29 |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
30 // Catch-all file for utility classes |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
31 |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
32 #ifndef PRODUCT |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
33 |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
34 // Returns true is the location q matches the mangling |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
35 // pattern. |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
36 bool SpaceMangler::is_mangled(HeapWord* q) { |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
37 // This test loses precision but is good enough |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
38 return badHeapWord == (max_juint & (uintptr_t) q->value()); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
39 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
40 |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
41 |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
42 void SpaceMangler::set_top_for_allocations(HeapWord* v) { |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
43 if (v < end()) { |
271
818a18cd69a8
6730514: assertion failure in mangling code when expanding by 0 bytes
jmasa
parents:
263
diff
changeset
|
44 assert(!CheckZapUnusedHeapArea || is_mangled(v), |
818a18cd69a8
6730514: assertion failure in mangling code when expanding by 0 bytes
jmasa
parents:
263
diff
changeset
|
45 "The high water mark is not mangled"); |
263
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
46 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
47 _top_for_allocations = v; |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
48 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
49 |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
50 // Mangle only the unused space that has not previously |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
51 // been mangled and that has not been allocated since being |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
52 // mangled. |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
53 void SpaceMangler::mangle_unused_area() { |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
54 assert(ZapUnusedHeapArea, "Mangling should not be in use"); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
55 // Mangle between top and the high water mark. Safeguard |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
56 // against the space changing since top_for_allocations was |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
57 // set. |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
58 HeapWord* mangled_end = MIN2(top_for_allocations(), end()); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
59 if (top() < mangled_end) { |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
60 MemRegion mangle_mr(top(), mangled_end); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
61 SpaceMangler::mangle_region(mangle_mr); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
62 // Light weight check of mangling. |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
63 check_mangled_unused_area(end()); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
64 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
65 // Complete check of unused area which is functional when |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
66 // DEBUG_MANGLING is defined. |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
67 check_mangled_unused_area_complete(); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
68 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
69 |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
70 // A complete mangle is expected in the |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
71 // exceptional case where top_for_allocations is not |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
72 // properly tracking the high water mark for mangling. |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
73 // This can be the case when to-space is being used for |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
74 // scratch space during a mark-sweep-compact. See |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
75 // contribute_scratch() and PSMarkSweep::allocate_stacks(). |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
76 void SpaceMangler::mangle_unused_area_complete() { |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
77 assert(ZapUnusedHeapArea, "Mangling should not be in use"); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
78 MemRegion mangle_mr(top(), end()); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
79 SpaceMangler::mangle_region(mangle_mr); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
80 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
81 |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
82 // Simply mangle the MemRegion mr. |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
83 void SpaceMangler::mangle_region(MemRegion mr) { |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
84 assert(ZapUnusedHeapArea, "Mangling should not be in use"); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
85 #ifdef ASSERT |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
86 if(TraceZapUnusedHeapArea) { |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
87 gclog_or_tty->print("Mangling [0x%x to 0x%x)", mr.start(), mr.end()); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
88 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
89 Copy::fill_to_words(mr.start(), mr.word_size(), badHeapWord); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
90 if(TraceZapUnusedHeapArea) { |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
91 gclog_or_tty->print_cr(" done"); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
92 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
93 #endif |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
94 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
95 |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
96 // Check that top, top_for_allocations and the last |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
97 // word of the space are mangled. In a tight memory |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
98 // situation even this light weight mangling could |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
99 // cause paging by touching the end of the space. |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
100 void SpaceMangler::check_mangled_unused_area(HeapWord* limit) { |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
101 if (CheckZapUnusedHeapArea) { |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
102 // This method can be called while the spaces are |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
103 // being reshaped so skip the test if the end of the |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
104 // space is beyond the specified limit; |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
105 if (end() > limit) return; |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
106 |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
107 assert(top() == end() || |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
108 (is_mangled(top())), "Top not mangled"); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
109 assert((top_for_allocations() < top()) || |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
110 (top_for_allocations() >= end()) || |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
111 (is_mangled(top_for_allocations())), |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
112 "Older unused not mangled"); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
113 assert(top() == end() || |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
114 (is_mangled(end() - 1)), "End not properly mangled"); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
115 // Only does checking when DEBUG_MANGLING is defined. |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
116 check_mangled_unused_area_complete(); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
117 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
118 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
119 |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
120 #undef DEBUG_MANGLING |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
121 // This should only be used while debugging the mangling |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
122 // because of the high cost of checking the completeness. |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
123 void SpaceMangler::check_mangled_unused_area_complete() { |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
124 if (CheckZapUnusedHeapArea) { |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
125 assert(ZapUnusedHeapArea, "Not mangling unused area"); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
126 #ifdef DEBUG_MANGLING |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
127 HeapWord* q = top(); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
128 HeapWord* limit = end(); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
129 |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
130 bool passed = true; |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
131 while (q < limit) { |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
132 if (!is_mangled(q)) { |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
133 passed = false; |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
134 break; |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
135 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
136 q++; |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
137 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
138 assert(passed, "Mangling is not complete"); |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
139 #endif |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
140 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
141 } |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
142 #undef DEBUG_MANGLING |
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
diff
changeset
|
143 #endif // not PRODUCT |