Mercurial > hg > graal-compiler
diff src/share/vm/memory/universe.cpp @ 12233:40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
Summary: Use conservative assumptions of required alignment for the various garbage collector components into account when determining the maximum heap size that supports compressed oops. Using this conservative value avoids several circular dependencies in the calculation.
Reviewed-by: stefank, dholmes
| author | tschatzl |
|---|---|
| date | Wed, 11 Sep 2013 16:25:02 +0200 |
| parents | 7944aba7ba41 |
| children | 23ae5a04724d |
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--- a/src/share/vm/memory/universe.cpp Wed Sep 11 12:03:41 2013 +0200 +++ b/src/share/vm/memory/universe.cpp Wed Sep 11 16:25:02 2013 +0200 @@ -872,6 +872,9 @@ // Reserve the Java heap, which is now the same for all GCs. ReservedSpace Universe::reserve_heap(size_t heap_size, size_t alignment) { + assert(alignment <= Arguments::conservative_max_heap_alignment(), + err_msg("actual alignment "SIZE_FORMAT" must be within maximum heap alignment "SIZE_FORMAT, + alignment, Arguments::conservative_max_heap_alignment())); size_t total_reserved = align_size_up(heap_size, alignment); assert(!UseCompressedOops || (total_reserved <= (OopEncodingHeapMax - os::vm_page_size())), "heap size is too big for compressed oops");