Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/concurrentMarkSweep/cmsPermGen.cpp @ 989:148e5441d916
6863023: need non-perm oops in code cache for JSR 292
Summary: Make a special root-list for those few nmethods which might contain non-perm oops.
Reviewed-by: twisti, kvn, never, jmasa, ysr
| author | jrose |
|---|---|
| date | Tue, 15 Sep 2009 21:53:47 -0700 |
| parents | c0492d52d55b |
| children | c18cbe5936b8 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #include "incls/_precompiled.incl" | |
| 26 #include "incls/_cmsPermGen.cpp.incl" | |
| 27 | |
| 28 CMSPermGen::CMSPermGen(ReservedSpace rs, size_t initial_byte_size, | |
| 29 CardTableRS* ct, | |
| 30 FreeBlockDictionary::DictionaryChoice dictionaryChoice) { | |
| 31 CMSPermGenGen* g = | |
| 32 new CMSPermGenGen(rs, initial_byte_size, -1, ct); | |
| 33 if (g == NULL) { | |
| 34 vm_exit_during_initialization("Could not allocate a CompactingPermGen"); | |
| 35 } | |
| 36 | |
| 37 g->initialize_performance_counters(); | |
| 38 | |
| 39 _gen = g; | |
| 40 } | |
| 41 | |
| 42 HeapWord* CMSPermGen::mem_allocate(size_t size) { | |
| 43 Mutex* lock = _gen->freelistLock(); | |
| 44 bool lock_owned = lock->owned_by_self(); | |
| 45 if (lock_owned) { | |
| 46 MutexUnlocker mul(lock); | |
|
139
c0492d52d55b
6539517: CR 6186200 should be extended to perm gen allocation to prevent spurious OOM's from perm gen
apetrusenko
parents:
0
diff
changeset
|
47 return mem_allocate_in_gen(size, _gen); |
| 0 | 48 } else { |
|
139
c0492d52d55b
6539517: CR 6186200 should be extended to perm gen allocation to prevent spurious OOM's from perm gen
apetrusenko
parents:
0
diff
changeset
|
49 return mem_allocate_in_gen(size, _gen); |
| 0 | 50 } |
| 51 } | |
| 52 | |
| 53 void CMSPermGen::compute_new_size() { | |
| 54 _gen->compute_new_size(); | |
| 55 } | |
| 56 | |
| 57 void CMSPermGenGen::initialize_performance_counters() { | |
| 58 | |
| 59 const char* gen_name = "perm"; | |
| 60 | |
| 61 // Generation Counters - generation 2, 1 subspace | |
| 62 _gen_counters = new GenerationCounters(gen_name, 2, 1, &_virtual_space); | |
| 63 | |
| 64 _gc_counters = NULL; | |
| 65 | |
| 66 _space_counters = new GSpaceCounters(gen_name, 0, | |
| 67 _virtual_space.reserved_size(), | |
| 68 this, _gen_counters); | |
| 69 } |