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8000311: G1: ParallelGCThreads==0 broken

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Divide by zero error, if ParallelGCThreads is 0, when adjusting the PLAB size.

Reviewed-by: jmasa, jcoomes
This commit is contained in:
John Cuthbertson 2012-10-04 10:04:13 -07:00
parent 3506d44c57
commit ed98ea0a88
5 changed files with 30 additions and 31 deletions
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3
hotspot/src/share/vm/gc_implementation/shared/parGCAllocBuffer.hpp
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@ -204,7 +204,8 @@ class PLABStats VALUE_OBJ_CLASS_SPEC {
return _desired_plab_sz;
}
void adjust_desired_plab_sz(); // filter computation, latches output to
void adjust_desired_plab_sz(uint no_of_gc_workers);
// filter computation, latches output to
// _desired_plab_sz, clears sensor accumulators
void add_allocated(size_t v) {