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comparison src/share/vm/memory/universe.cpp @ 6736:11fb740ce98f

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7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size Summary: Don't allocate huge class metaspace size by default on x64 Reviewed-by: stefank, jmasa, kvn
author coleenp
date Fri, 07 Sep 2012 16:42:25 -0400
parents aed758eda82a
children 2a48c84f1d04
comparison
equal deleted inserted replaced
6735:aed758eda82a 6736:11fb740ce98f
856 856
857 // Reserve the Java heap, which is now the same for all GCs. 857 // Reserve the Java heap, which is now the same for all GCs.
858 ReservedSpace Universe::reserve_heap(size_t heap_size, size_t alignment) { 858 ReservedSpace Universe::reserve_heap(size_t heap_size, size_t alignment) {
859 // Add in the class metaspace area so the classes in the headers can 859 // Add in the class metaspace area so the classes in the headers can
860 // be compressed the same as instances. 860 // be compressed the same as instances.
861 size_t total_reserved = heap_size + ClassMetaspaceSize; 861 size_t total_reserved = align_size_up(heap_size + ClassMetaspaceSize, alignment);
862 char* addr = Universe::preferred_heap_base(total_reserved, Universe::UnscaledNarrowOop); 862 char* addr = Universe::preferred_heap_base(total_reserved, Universe::UnscaledNarrowOop);
863 863
864 ReservedHeapSpace total_rs(total_reserved, alignment, UseLargePages, addr); 864 ReservedHeapSpace total_rs(total_reserved, alignment, UseLargePages, addr);
865 865
866 if (UseCompressedOops) { 866 if (UseCompressedOops) {