infernap12/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2026-02-04 23:48:33 +00:00
Code Issues Packages Projects Releases Wiki Activity

8307196: Dangling pointer warning for MetadataAllocationRequest

Browse Source 
Reviewed-by: dholmes, eosterlund
This commit is contained in:
Kim Barrett 2023-05-05 06:20:32 +00:00
parent 1b143ba787
commit e19cf26d65
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/hotspot/share/memory/metaspaceCriticalAllocation.cpp
View File

@ -79,12 +79,19 @@ void MetaspaceCriticalAllocation::add(MetadataAllocationRequest* request) {
MutexLocker ml(MetaspaceCritical_lock, Mutex::_no_safepoint_check_flag);
log_info(metaspace)("Requesting critical metaspace allocation; almost out of memory");
Atomic::store(&_has_critical_allocation, true);
// This is called by the request constructor to insert the request into the
// global list. The request's destructor will remove the request from the
// list. gcc13 has a false positive warning about the local request being
// added to the global list because it doesn't relate those operations.
PRAGMA_DIAG_PUSH
PRAGMA_DANGLING_POINTER_IGNORED
if (_requests_head == nullptr) {
_requests_head = _requests_tail = request;
} else {
_requests_tail->set_next(request);
_requests_tail = request;
}
PRAGMA_DIAG_POP
}
void MetaspaceCriticalAllocation::unlink(MetadataAllocationRequest* curr, MetadataAllocationRequest* prev) {