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6964458: Reimplement class meta-data storage to use native memory

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Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
This commit is contained in:
Jon Masamitsu 2012-09-01 13:25:18 -04:00 • committed by Coleen Phillimore
parent 36eee7c8c8
commit 5c58d27aac
853 changed files with 26124 additions and 82956 deletions
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2
hotspot/src/share/vm/runtime/mutexLocker.cpp
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@ -225,7 +225,7 @@ void mutex_init() {
def(ExpandHeap_lock , Mutex , leaf, true ); // Used during compilation by VM thread
def(JNIHandleBlockFreeList_lock , Mutex , leaf, true ); // handles are used by VM thread
def(SignatureHandlerLibrary_lock , Mutex , leaf, false);
def(SymbolTable_lock , Mutex , leaf, true );
def(SymbolTable_lock , Mutex , leaf+2, true );
def(StringTable_lock , Mutex , leaf, true );
def(ProfilePrint_lock , Mutex , leaf, false); // serial profile printing
def(ExceptionCache_lock , Mutex , leaf, false); // serial profile printing