archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-19 10:34:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8259643: ZGC can return metaspace OOM prematurely

Browse source 
Reviewed-by: stefank, pliden, stuefe
This commit is contained in:
Erik Österlund 2021-11-18 14:32:59 +00:00
parent a44b45fdf3
commit 00c388b4ab
6 changed files with 280 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/hotspot/share/runtime/mutexLocker.cpp
View file

@ -131,6 +131,7 @@ Mutex* UnsafeJlong_lock = NULL;
Mutex* CodeHeapStateAnalytics_lock = NULL;
Mutex* Metaspace_lock = NULL;
Monitor* MetaspaceCritical_lock = NULL;
Mutex* ClassLoaderDataGraph_lock = NULL;
Monitor* ThreadsSMRDelete_lock = NULL;
Mutex* ThreadIdTableCreate_lock = NULL;
@ -243,6 +244,7 @@ void mutex_init() {
def(RawMonitor_lock , PaddedMutex , nosafepoint-1);
def(Metaspace_lock , PaddedMutex , nosafepoint-3);
def(MetaspaceCritical_lock , PaddedMonitor, nosafepoint-1);
def(Patching_lock , PaddedMutex , nosafepoint); // used for safepointing and code patching.
def(MonitorDeflation_lock , PaddedMonitor, nosafepoint); // used for monitor deflation thread operations