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comparison src/os/linux/vm/perfMemory_linux.cpp @ 10986:1f4355cee9a2

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8013651: NMT: reserve/release sequence id's in incorrect order due to race Summary: Fixed NMT race condition for realloc, uncommit and release Reviewed-by: coleenp, ccheung
author zgu
date Tue, 18 Jun 2013 08:44:08 -0400
parents e95fc50106cf
children 2c2a99f6cf83
comparison
equal deleted inserted replaced
10984:cd2118b62475 10986:1f4355cee9a2
751 751
752 // clear the shared memory region 752 // clear the shared memory region
753 (void)::memset((void*) mapAddress, 0, size); 753 (void)::memset((void*) mapAddress, 0, size);
754 754
755 // it does not go through os api, the operation has to record from here 755 // it does not go through os api, the operation has to record from here
756 MemTracker::record_virtual_memory_reserve((address)mapAddress, size, CURRENT_PC); 756 MemTracker::record_virtual_memory_reserve((address)mapAddress, size, mtInternal, CURRENT_PC);
757 MemTracker::record_virtual_memory_type((address)mapAddress, mtInternal);
758 757
759 return mapAddress; 758 return mapAddress;
760 } 759 }
761 760
762 // release a named shared memory region 761 // release a named shared memory region
915 THROW_MSG(vmSymbols::java_lang_OutOfMemoryError(), 914 THROW_MSG(vmSymbols::java_lang_OutOfMemoryError(),
916 "Could not map PerfMemory"); 915 "Could not map PerfMemory");
917 } 916 }
918 917
919 // it does not go through os api, the operation has to record from here 918 // it does not go through os api, the operation has to record from here
920 MemTracker::record_virtual_memory_reserve((address)mapAddress, size, CURRENT_PC); 919 MemTracker::record_virtual_memory_reserve((address)mapAddress, size, mtInternal, CURRENT_PC);
921 MemTracker::record_virtual_memory_type((address)mapAddress, mtInternal);
922 920
923 *addr = mapAddress; 921 *addr = mapAddress;
924 *sizep = size; 922 *sizep = size;
925 923
926 if (PerfTraceMemOps) { 924 if (PerfTraceMemOps) {