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6711316: Open source the Garbage-First garbage collector

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First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
This commit is contained in:
Y. Srinivas Ramakrishna 2008-06-05 15:57:56 -07:00
parent 39463bb3fc
commit 18f3386a98
215 changed files with 36088 additions and 1249 deletions
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9
hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp
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@ -1325,7 +1325,7 @@ class MarkFromRootsClosure: public BitMapClosure {
CMSMarkStack* markStack,
CMSMarkStack* revisitStack,
bool should_yield, bool verifying = false);
void do_bit(size_t offset);
bool do_bit(size_t offset);
void reset(HeapWord* addr);
inline void do_yield_check();
@ -1361,7 +1361,7 @@ class Par_MarkFromRootsClosure: public BitMapClosure {
CMSMarkStack* overflow_stack,
CMSMarkStack* revisit_stack,
bool should_yield);
void do_bit(size_t offset);
bool do_bit(size_t offset);
inline void do_yield_check();
private:
@ -1409,7 +1409,7 @@ class MarkFromRootsVerifyClosure: public BitMapClosure {
CMSBitMap* verification_bm,
CMSBitMap* cms_bm,
CMSMarkStack* mark_stack);
void do_bit(size_t offset);
bool do_bit(size_t offset);
void reset(HeapWord* addr);
};
@ -1418,8 +1418,9 @@ class MarkFromRootsVerifyClosure: public BitMapClosure {
// "empty" (i.e. the bit vector doesn't have any 1-bits).
class FalseBitMapClosure: public BitMapClosure {
public:
void do_bit(size_t offset) {
bool do_bit(size_t offset) {
guarantee(false, "Should not have a 1 bit");
return true;
}
};