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8080110: Remove usage of CollectedHeap::n_par_threads() from root processing

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Reviewed-by: jmasa, kbarrett
This commit is contained in:
Stefan Karlsson 2015-05-21 09:23:00 +02:00
parent e13e75547c
commit c13872f88d
14 changed files with 176 additions and 142 deletions
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41
hotspot/src/share/vm/gc/serial/genMarkSweep.cpp
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@ -40,6 +40,7 @@
#include "gc/shared/modRefBarrierSet.hpp"
#include "gc/shared/referencePolicy.hpp"
#include "gc/shared/space.hpp"
#include "gc/shared/strongRootsScope.hpp"
#include "oops/instanceRefKlass.hpp"
#include "oops/oop.inline.hpp"
#include "prims/jvmtiExport.hpp"
@ -200,14 +201,18 @@ void GenMarkSweep::mark_sweep_phase1(int level,
// Need new claim bits before marking starts.
ClassLoaderDataGraph::clear_claimed_marks();
gch->gen_process_roots(level,
false, // Younger gens are not roots.
true, // activate StrongRootsScope
GenCollectedHeap::SO_None,
GenCollectedHeap::StrongRootsOnly,
&follow_root_closure,
&follow_root_closure,
&follow_cld_closure);
{
StrongRootsScope srs(1);
gch->gen_process_roots(&srs,
level,
false, // Younger gens are not roots.
GenCollectedHeap::SO_None,
GenCollectedHeap::StrongRootsOnly,
&follow_root_closure,
&follow_root_closure,
&follow_cld_closure);
}
// Process reference objects found during marking
{
@ -284,14 +289,18 @@ void GenMarkSweep::mark_sweep_phase3(int level) {
assert(level == 1, "We don't use mark-sweep on young generations.");
adjust_pointer_closure.set_orig_generation(gch->old_gen());
gch->gen_process_roots(level,
false, // Younger gens are not roots.
true, // activate StrongRootsScope
GenCollectedHeap::SO_AllCodeCache,
GenCollectedHeap::StrongAndWeakRoots,
&adjust_pointer_closure,
&adjust_pointer_closure,
&adjust_cld_closure);
{
StrongRootsScope srs(1);
gch->gen_process_roots(&srs,
level,
false, // Younger gens are not roots.
GenCollectedHeap::SO_AllCodeCache,
GenCollectedHeap::StrongAndWeakRoots,
&adjust_pointer_closure,
&adjust_pointer_closure,
&adjust_cld_closure);
}
gch->gen_process_weak_roots(&adjust_pointer_closure);