Mercurial > hg > graal-jvmci-8
diff src/share/vm/gc_implementation/g1/heapRegion.hpp @ 17773:8ee855b4e667
8036025: Sort the freelist in order to shrink the heap
Summary: The free list is being maintained in a sorted fashion and old and humongous regions are allocated from the bottom of the heap while young regions are allocated at the top.
Reviewed-by: tschatzl, mgerdin
Contributed-by: jesper.wilhelmsson@oracle.com, staffan.friberg@oracle.com
| author | jwilhelm |
|---|---|
| date | Fri, 28 Feb 2014 15:27:09 +0100 |
| parents | 96b1c2e06e25 |
| children | 78bbf4d43a14 |
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--- a/src/share/vm/gc_implementation/g1/heapRegion.hpp Mon Mar 24 09:14:14 2014 -0700 +++ b/src/share/vm/gc_implementation/g1/heapRegion.hpp Fri Feb 28 15:27:09 2014 +0100 @@ -271,6 +271,7 @@ // Fields used by the HeapRegionSetBase class and subclasses. HeapRegion* _next; + HeapRegion* _prev; #ifdef ASSERT HeapRegionSetBase* _containing_set; #endif // ASSERT @@ -531,11 +532,13 @@ // Methods used by the HeapRegionSetBase class and subclasses. - // Getter and setter for the next field used to link regions into + // Getter and setter for the next and prev fields used to link regions into // linked lists. HeapRegion* next() { return _next; } + HeapRegion* prev() { return _prev; } void set_next(HeapRegion* next) { _next = next; } + void set_prev(HeapRegion* prev) { _prev = prev; } // Every region added to a set is tagged with a reference to that // set. This is used for doing consistency checking to make sure that