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8025313: MetaspaceMemoryPool incorrectly reports undefined size for max

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Reviewed-by: stefank, tschatzl
This commit is contained in:
Erik Helin 2013-10-01 15:21:14 +02:00
parent ac3d344514
commit ce8f16808b
1 changed files with 11 additions and 9 deletions
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20
hotspot/src/share/vm/memory/collectorPolicy.cpp
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@ -64,19 +64,21 @@ void CollectorPolicy::initialize_flags() {
vm_exit_during_initialization("Incompatible initial and maximum heap sizes specified");
}
if (!is_size_aligned(MaxMetaspaceSize, max_alignment())) {
FLAG_SET_ERGO(uintx, MaxMetaspaceSize,
restricted_align_down(MaxMetaspaceSize, max_alignment()));
}
// Do not use FLAG_SET_ERGO to update MaxMetaspaceSize, since this will
// override if MaxMetaspaceSize was set on the command line or not.
// This information is needed later to conform to the specification of the
// java.lang.management.MemoryUsage API.
//
// Ideally, we would be able to set the default value of MaxMetaspaceSize in
// globals.hpp to the aligned value, but this is not possible, since the
// alignment depends on other flags being parsed.
MaxMetaspaceSize = restricted_align_down(MaxMetaspaceSize, max_alignment());
if (MetaspaceSize > MaxMetaspaceSize) {
FLAG_SET_ERGO(uintx, MetaspaceSize, MaxMetaspaceSize);
MetaspaceSize = MaxMetaspaceSize;
}
if (!is_size_aligned(MetaspaceSize, min_alignment())) {
FLAG_SET_ERGO(uintx, MetaspaceSize,
restricted_align_down(MetaspaceSize, min_alignment()));
}
MetaspaceSize = restricted_align_down(MetaspaceSize, min_alignment());
assert(MetaspaceSize <= MaxMetaspaceSize, "Must be");