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comparison src/share/vm/memory/metaspace.hpp @ 6885:685df3c6f84b

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7045397: NPG: Add freelists to class loader arenas. Reviewed-by: coleenp, stefank, jprovino, ohair
author jmasa
date Tue, 18 Sep 2012 23:35:42 -0700
parents 8e47bac5643a
children 6bc207d87e5d
comparison
equal deleted inserted replaced
6877:d0e7716b179e 6885:685df3c6f84b
55 // | | 55 // | |
56 // +-------------------+ 56 // +-------------------+
57 // 57 //
58 58
59 class ClassLoaderData; 59 class ClassLoaderData;
60 class Metablock;
60 class MetaWord; 61 class MetaWord;
61 class Mutex; 62 class Mutex;
62 class outputStream; 63 class outputStream;
63 class FreeChunk;
64 template <class Chunk_t> class FreeList;
65 template <class Chunk_t> class BinaryTreeDictionary;
66 class SpaceManager; 64 class SpaceManager;
67 65
68 // Metaspaces each have a SpaceManager and allocations 66 // Metaspaces each have a SpaceManager and allocations
69 // are done by the SpaceManager. Allocations are done 67 // are done by the SpaceManager. Allocations are done
70 // out of the current Metachunk. When the current Metachunk 68 // out of the current Metachunk. When the current Metachunk
126 size_t used_words(MetadataType mdtype) const; 124 size_t used_words(MetadataType mdtype) const;
127 size_t free_words(MetadataType mdtype) const; 125 size_t free_words(MetadataType mdtype) const;
128 size_t capacity_words(MetadataType mdtype) const; 126 size_t capacity_words(MetadataType mdtype) const;
129 size_t waste_words(MetadataType mdtype) const; 127 size_t waste_words(MetadataType mdtype) const;
130 128
131 static MetaWord* allocate(ClassLoaderData* loader_data, size_t size, 129 static Metablock* allocate(ClassLoaderData* loader_data, size_t size,
132 bool read_only, MetadataType mdtype, TRAPS); 130 bool read_only, MetadataType mdtype, TRAPS);
133 void deallocate(MetaWord* ptr, size_t byte_size, bool is_class); 131 void deallocate(MetaWord* ptr, size_t byte_size, bool is_class);
134 132
135 MetaWord* expand_and_allocate(size_t size, 133 MetaWord* expand_and_allocate(size_t size,
136 MetadataType mdtype); 134 MetadataType mdtype);