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4396719: Mark Sweep stack overflow on deeply nested Object arrays

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Use an explicit stack for object arrays and process them in chunks.

Reviewed-by: iveresov, apetrusenko
This commit is contained in:
John Coomes 2010-03-03 14:48:26 -08:00
parent 5fdec09798
commit 4f82340476
26 changed files with 419 additions and 182 deletions
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2
hotspot/src/share/vm/utilities/globalDefinitions.hpp
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@ -827,6 +827,8 @@ const int badCodeHeapFreeVal = 0xDD; // value used to zap
#define badHeapWord (::badHeapWordVal)
#define badJNIHandle ((oop)::badJNIHandleVal)
// Default TaskQueue size is 16K (32-bit) or 128K (64-bit)
#define TASKQUEUE_SIZE (NOT_LP64(1<<14) LP64_ONLY(1<<17))
//----------------------------------------------------------------------------------------------------
// Utility functions for bitfield manipulations