Mercurial > hg > truffle

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

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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
line wrap: on
line diff
--- a/src/share/vm/runtime/handles.inline.hpp	Thu Oct 18 13:09:47 2012 -0400
+++ b/src/share/vm/runtime/handles.inline.hpp	Fri Oct 19 21:40:07 2012 -0400
@@ -136,13 +136,18 @@
   HandleArea* area = _area;   // help compilers with poor alias analysis
   // Delete later chunks
   if( _chunk->next() ) {
+    // reset arena size before delete chunks. Otherwise, the total
+    // arena size could exceed total chunk size
+    assert(area->size_in_bytes() > size_in_bytes(), "Sanity check");
+    area->set_size_in_bytes(size_in_bytes());
     _chunk->next_chop();
+  } else {
+    assert(area->size_in_bytes() == size_in_bytes(), "Sanity check");
   }
   // Roll back arena to saved top markers
   area->_chunk = _chunk;
   area->_hwm = _hwm;
   area->_max = _max;
-  area->set_size_in_bytes(_size_in_bytes);
   debug_only(area->_handle_mark_nesting--);
 }