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8 Commits

Author SHA1 Message Date
Coleen Phillimore
a1f70549e4 7133093: Improve system dictionary performance 
Implement one dictionary per ClassLoaderData for faster lookup and removal during class unloading

Reviewed-by: iklam, acorn, jiangli
 2017-07-28 10:48:35 -04:00
Shafi Ahmad
5c6e28cc60 8147026: Convert an assert in ClassLoaderData to a guarantee 
Guarantee is to ensure classloader is a valid oop will help catch the errors at an early stage rather than crashing the JVM later on in the GC

Reviewed-by: coleenp
 2016-04-26 23:29:51 +05:30
Goetz Lindenmaier
b26df6b69f 8146401: Clean up oop.hpp: add inline directives and fix header files 
Reviewed-by: coleenp
 2016-01-04 15:41:05 +01:00
Mikael Vidstedt
a0da47fd66 8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013 
Copyright year updated for files modified during 2013

Reviewed-by: twisti, iveresov
 2013-12-24 11:48:39 -08:00
Mikael Gerdin
c47ec9b4ca 8011802: NPG: init_dependencies in class loader data graph can cause invalid CLD 
Restructure initialization of ClassLoaderData to not add a new instance if init_dependencies fail

Reviewed-by: stefank, coleenp
 2013-04-23 08:39:55 +02:00
Stefan Karlsson
9ed09d08f5 8008549: NPG: SystemDictionary::find(...) unnecessarily keeps class loaders alive 
SystemDictionary::find(...) should not create and register ClassLoaderData objects for class loaders.

Co-authored-by: Erik Helin <erik.helin@oracle.com>
Reviewed-by: coleenp, acorn
 2013-02-21 17:22:15 +01:00
Coleen Phillimore
7aa43fc5d8 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap 
Add ClassLoaderData object for each anonymous class with metaspaces to allocate in.

Reviewed-by: twisti, jrose, stefank
 2012-11-29 16:50:29 -05:00
Jon Masamitsu
5c58d27aac 6964458: Reimplement class meta-data storage to use native memory 
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
 2012-09-01 13:25:18 -04:00