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6944166: G1: explicit GCs are not always handled correctly

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G1 was not handling explicit GCs correctly in many ways. It does now. See the CR for the list of improvements contained in this changeset.

Reviewed-by: iveresov, ysr, johnc
This commit is contained in:
Antonios Printezis 2010-06-28 14:13:17 -04:00
parent 968deb7658
commit dfc84e8c89
12 changed files with 291 additions and 71 deletions
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4
hotspot/src/share/vm/gc_implementation/shared/vmGCOperations.hpp
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@ -86,9 +86,7 @@ class VM_GC_Operation: public VM_Operation {
_gc_locked = false;
if (full) {
_full_gc_count_before = full_gc_count_before;
}
_full_gc_count_before = full_gc_count_before;
// In ParallelScavengeHeap::mem_allocate() collections can be
// executed within a loop and _all_soft_refs_clear can be set
// true after they have been cleared by a collection and another