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6539517: CR 6186200 should be extended to perm gen allocation to prevent spurious OOM's from perm gen

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Reviewed-by: ysr, jmasa
This commit is contained in:
Andrey Petrusenko 2008-04-01 15:13:47 +04:00
parent 6bfbc36dcd
commit 252a10cf1a
14 changed files with 165 additions and 80 deletions
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21
hotspot/src/share/vm/gc_implementation/shared/vmGCOperations.hpp
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@ -43,6 +43,7 @@
// is specified; and also the attach "inspectheap" operation
//
// VM_GenCollectForAllocation
// VM_GenCollectForPermanentAllocation
// VM_ParallelGCFailedAllocation
// VM_ParallelGCFailedPermanentAllocation
// - this operation is invoked when allocation is failed;
@ -166,3 +167,23 @@ class VM_GenCollectFull: public VM_GC_Operation {
virtual VMOp_Type type() const { return VMOp_GenCollectFull; }
virtual void doit();
};
class VM_GenCollectForPermanentAllocation: public VM_GC_Operation {
private:
HeapWord* _res;
size_t _size; // size of object to be allocated
public:
VM_GenCollectForPermanentAllocation(size_t size,
unsigned int gc_count_before,
unsigned int full_gc_count_before,
GCCause::Cause gc_cause)
: VM_GC_Operation(gc_count_before, full_gc_count_before, true),
_size(size) {
_res = NULL;
_gc_cause = gc_cause;
}
~VM_GenCollectForPermanentAllocation() {}
virtual VMOp_Type type() const { return VMOp_GenCollectForPermanentAllocation; }
virtual void doit();
HeapWord* result() const { return _res; }
};