7110718: -XX:MarkSweepAlwaysCompactCount=0 crashes the JVM
Summary: Interpret MarkSweepAlwaysCompactCount < 1 as never do full compaction
Reviewed-by: ysr, tonyp, jmasa, johnc
/*
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* version 2 for more details (a copy is included in the LICENSE file that
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#include "precompiled.hpp"
#include "memory/cardTableRS.hpp"
#include "memory/genRemSet.hpp"
// This kind of "BarrierSet" allows a "CollectedHeap" to detect and
// enumerate ref fields that have been modified (since the last
// enumeration.)
uintx GenRemSet::max_alignment_constraint(Name nm) {
switch (nm) {
case GenRemSet::CardTable:
return CardTableRS::ct_max_alignment_constraint();
default:
guarantee(false, "Unrecognized GenRemSet type.");
return (0); // Make Windows compiler happy
}
}