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comparison src/share/vm/memory/metaspace.hpp @ 12902:bdfbb1fb19ca

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8026391: The Metachunk header wastes memory Reviewed-by: coleenp, jmasa
author stefank
date Tue, 15 Oct 2013 14:28:51 +0200
parents 85c1ca43713f
children a6177f601c64
comparison
equal deleted inserted replaced
12901:f16726924734 12902:bdfbb1fb19ca
137 SpaceManager* class_vsm() const { return _class_vsm; } 137 SpaceManager* class_vsm() const { return _class_vsm; }
138 138
139 // Allocate space for metadata of type mdtype. This is space 139 // Allocate space for metadata of type mdtype. This is space
140 // within a Metachunk and is used by 140 // within a Metachunk and is used by
141 // allocate(ClassLoaderData*, size_t, bool, MetadataType, TRAPS) 141 // allocate(ClassLoaderData*, size_t, bool, MetadataType, TRAPS)
142 // which returns a Metablock.
143 MetaWord* allocate(size_t word_size, MetadataType mdtype); 142 MetaWord* allocate(size_t word_size, MetadataType mdtype);
144 143
145 // Virtual Space lists for both classes and other metadata 144 // Virtual Space lists for both classes and other metadata
146 static VirtualSpaceList* _space_list; 145 static VirtualSpaceList* _space_list;
147 static VirtualSpaceList* _class_space_list; 146 static VirtualSpaceList* _class_space_list;
215 size_t capacity_words_slow(MetadataType mdtype) const; 214 size_t capacity_words_slow(MetadataType mdtype) const;
216 215
217 size_t used_bytes_slow(MetadataType mdtype) const; 216 size_t used_bytes_slow(MetadataType mdtype) const;
218 size_t capacity_bytes_slow(MetadataType mdtype) const; 217 size_t capacity_bytes_slow(MetadataType mdtype) const;
219 218
220 static Metablock* allocate(ClassLoaderData* loader_data, size_t word_size, 219 static MetaWord* allocate(ClassLoaderData* loader_data, size_t word_size,
221 bool read_only, MetaspaceObj::Type type, TRAPS); 220 bool read_only, MetaspaceObj::Type type, TRAPS);
222 void deallocate(MetaWord* ptr, size_t byte_size, bool is_class); 221 void deallocate(MetaWord* ptr, size_t byte_size, bool is_class);
223 222
224 MetaWord* expand_and_allocate(size_t size, 223 MetaWord* expand_and_allocate(size_t size,
225 MetadataType mdtype); 224 MetadataType mdtype);
226 225