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JDK-8314588: gc/metaspace/TestMetaspaceInitialization.java failed "assert(capacity_until_gc >= committed_bytes) failed: capacity_until_gc: 3145728 < committed_bytes: 3211264" #16216

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JDK-8314588: gc/metaspace/TestMetaspaceInitialization.java failed "assert(capacity_until_gc >= committed_bytes) failed: capacity_until_gc: 3145728 < committed_bytes: 3211264" #16216

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9 changes: 4 additions & 5 deletions src/hotspot/share/memory/metaspace.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -404,12 +404,11 @@ size_t MetaspaceGC::allowed_expansion() {
size_t committed_bytes = MetaspaceUtils::committed_bytes();
size_t capacity_until_gc = capacity_until_GC();

assert(capacity_until_gc >= committed_bytes,
"capacity_until_gc: " SIZE_FORMAT " < committed_bytes: " SIZE_FORMAT,
capacity_until_gc, committed_bytes);

size_t left_until_max = MaxMetaspaceSize - committed_bytes;
size_t left_until_GC = capacity_until_gc - committed_bytes;
// capacity_until_GC may have been decreased concurrently and may
// temporarily be lower than what metaspace has committed. Allow for that.
size_t left_until_GC = capacity_until_gc > committed_bytes ?
capacity_until_gc - committed_bytes : 0;
size_t left_to_commit = MIN2(left_until_GC, left_until_max);
log_trace(gc, metaspace, freelist)("allowed expansion words: " SIZE_FORMAT
" (left_until_max: " SIZE_FORMAT ", left_until_GC: " SIZE_FORMAT ".",
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