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comparison src/share/vm/runtime/handles.inline.hpp @ 6882:716c64bda5ba

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7199092: NMT: NMT needs to deal overlapped virtual memory ranges Summary: Enhanced virtual memory tracking to track committed regions as well as reserved regions, so NMT now can generate virtual memory map. Reviewed-by: acorn, coleenp
author zgu
date Fri, 19 Oct 2012 21:40:07 -0400
parents da91efe96a93
children f34d701e952e
comparison
equal deleted inserted replaced
6879:8ebcedb7604d 6882:716c64bda5ba
134 134
135 inline void HandleMark::pop_and_restore() { 135 inline void HandleMark::pop_and_restore() {
136 HandleArea* area = _area; // help compilers with poor alias analysis 136 HandleArea* area = _area; // help compilers with poor alias analysis
137 // Delete later chunks 137 // Delete later chunks
138 if( _chunk->next() ) { 138 if( _chunk->next() ) {
139 // reset arena size before delete chunks. Otherwise, the total
140 // arena size could exceed total chunk size
141 assert(area->size_in_bytes() > size_in_bytes(), "Sanity check");
142 area->set_size_in_bytes(size_in_bytes());
139 _chunk->next_chop(); 143 _chunk->next_chop();
144 } else {
145 assert(area->size_in_bytes() == size_in_bytes(), "Sanity check");
140 } 146 }
141 // Roll back arena to saved top markers 147 // Roll back arena to saved top markers
142 area->_chunk = _chunk; 148 area->_chunk = _chunk;
143 area->_hwm = _hwm; 149 area->_hwm = _hwm;
144 area->_max = _max; 150 area->_max = _max;
145 area->set_size_in_bytes(_size_in_bytes);
146 debug_only(area->_handle_mark_nesting--); 151 debug_only(area->_handle_mark_nesting--);
147 } 152 }
148 153
149 #endif // SHARE_VM_RUNTIME_HANDLES_INLINE_HPP 154 #endif // SHARE_VM_RUNTIME_HANDLES_INLINE_HPP