125 _prev = NULL;
126 #ifdef _LP64
127 if (UseCompressedOops) {
128 OrderAccess::storestore();
129 set_mark(markOopDesc::prototype());
130 }
131 #endif
132 assert(!is_free(), "Error");
133 }
134
135 // Return the address past the end of this chunk
136 uintptr_t* end() const { return ((uintptr_t*) this) + size(); }
137
138 // debugging
139 void verify() const PRODUCT_RETURN;
140 void verifyList() const PRODUCT_RETURN;
141 void mangleAllocated(size_t size) PRODUCT_RETURN;
142 void mangleFreed(size_t size) PRODUCT_RETURN;
143
144 void print_on(outputStream* st);
145 };
146
147 extern size_t MinChunkSize;
148
149
150 #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_FREECHUNK_HPP
|
125 _prev = NULL;
126 #ifdef _LP64
127 if (UseCompressedOops) {
128 OrderAccess::storestore();
129 set_mark(markOopDesc::prototype());
130 }
131 #endif
132 assert(!is_free(), "Error");
133 }
134
135 // Return the address past the end of this chunk
136 uintptr_t* end() const { return ((uintptr_t*) this) + size(); }
137
138 // debugging
139 void verify() const PRODUCT_RETURN;
140 void verifyList() const PRODUCT_RETURN;
141 void mangleAllocated(size_t size) PRODUCT_RETURN;
142 void mangleFreed(size_t size) PRODUCT_RETURN;
143
144 void print_on(outputStream* st);
145
146 // Deallocate the in-RAM pages.
147 void deallocate_pages() {
148 // We have to exclude the FreeChunk (the header of a free chunk)
149 // from page deallocation because they contain metadata such as
150 // linked list pointers.
151 address start = ((address) this) + sizeof(FreeChunk);
152 size_t size_in_bytes = size() * HeapWordSize - sizeof(FreeChunk);
153 os::deallocate_pages(start, size_in_bytes);
154 }
155 };
156
157 extern size_t MinChunkSize;
158
159
160 #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_FREECHUNK_HPP
|