Mercurial > hg > truffle
diff src/share/vm/memory/genCollectedHeap.hpp @ 14518:d8041d695d19
Merged with jdk9/dev/hotspot changeset 3812c088b945
author | twisti |
---|---|
date | Tue, 11 Mar 2014 18:45:59 -0700 |
parents | d166675568f6 |
children | 4ca6dc0799b6 |
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--- a/src/share/vm/memory/genCollectedHeap.hpp Wed Mar 12 00:00:05 2014 +0100 +++ b/src/share/vm/memory/genCollectedHeap.hpp Tue Mar 11 18:45:59 2014 -0700 @@ -166,14 +166,6 @@ HeapWord** top_addr() const; HeapWord** end_addr() const; - // Return an estimate of the maximum allocation that could be performed - // without triggering any collection activity. In a generational - // collector, for example, this is probably the largest allocation that - // could be supported in the youngest generation. It is "unsafe" because - // no locks are taken; the result should be treated as an approximation, - // not a guarantee. - size_t unsafe_max_alloc(); - // Does this heap support heap inspection? (+PrintClassHistogram) virtual bool supports_heap_inspection() const { return true; } @@ -256,6 +248,7 @@ // Section on TLAB's. virtual bool supports_tlab_allocation() const; virtual size_t tlab_capacity(Thread* thr) const; + virtual size_t tlab_used(Thread* thr) const; virtual size_t unsafe_max_tlab_alloc(Thread* thr) const; virtual HeapWord* allocate_new_tlab(size_t size); @@ -323,7 +316,7 @@ } // Update the gc statistics for each generation. - // "level" is the level of the lastest collection + // "level" is the level of the latest collection. void update_gc_stats(int current_level, bool full) { for (int i = 0; i < _n_gens; i++) { _gens[i]->update_gc_stats(current_level, full); @@ -419,18 +412,15 @@ // The remaining arguments are in an order // consistent with SharedHeap::process_strong_roots: bool activate_scope, - bool is_scavenging, SharedHeap::ScanningOption so, OopsInGenClosure* not_older_gens, - bool do_code_roots, OopsInGenClosure* older_gens, KlassClosure* klass_closure); - // Apply "blk" to all the weak roots of the system. These include - // JNI weak roots, the code cache, system dictionary, symbol table, - // string table, and referents of reachable weak refs. - void gen_process_weak_roots(OopClosure* root_closure, - CodeBlobClosure* code_roots); + // Apply "root_closure" to all the weak roots of the system. + // These include JNI weak roots, string table, + // and referents of reachable weak refs. + void gen_process_weak_roots(OopClosure* root_closure); // Set the saved marks of generations, if that makes sense. // In particular, if any generation might iterate over the oops