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comparison src/share/vm/memory/threadLocalAllocBuffer.inline.hpp @ 1571:2d127394260e

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6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb Summary: Added new product ObjectAlignmentInBytes flag to control object alignment. Reviewed-by: twisti, ysr, iveresov
author kvn
date Thu, 27 May 2010 18:01:56 -0700
parents 2dd52dea6d28
children e9ff18c4ace7
comparison
equal deleted inserted replaced
1570:de91a2f25c7e 1571:2d127394260e
29 // successful thread-local allocation 29 // successful thread-local allocation
30 #ifdef ASSERT 30 #ifdef ASSERT
31 // Skip mangling the space corresponding to the object header to 31 // Skip mangling the space corresponding to the object header to
32 // ensure that the returned space is not considered parsable by 32 // ensure that the returned space is not considered parsable by
33 // any concurrent GC thread. 33 // any concurrent GC thread.
34 size_t hdr_size = CollectedHeap::min_fill_size(); 34 size_t hdr_size = oopDesc::header_size();
35 Copy::fill_to_words(obj + hdr_size, size - hdr_size, badHeapWordVal); 35 Copy::fill_to_words(obj + hdr_size, size - hdr_size, badHeapWordVal);
36 #endif // ASSERT 36 #endif // ASSERT
37 // This addition is safe because we know that top is 37 // This addition is safe because we know that top is
38 // at least size below end, so the add can't wrap. 38 // at least size below end, so the add can't wrap.
39 set_top(obj + size); 39 set_top(obj + size);