15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_GC_G1_G1COLLECTEDHEAP_INLINE_HPP
26 #define SHARE_VM_GC_G1_G1COLLECTEDHEAP_INLINE_HPP
27
28 #include "gc/g1/g1BarrierSet.hpp"
29 #include "gc/g1/g1CollectedHeap.hpp"
30 #include "gc/g1/g1CollectorState.hpp"
31 #include "gc/g1/g1ConcurrentMark.inline.hpp"
32 #include "gc/g1/heapRegionManager.inline.hpp"
33 #include "gc/g1/heapRegionSet.inline.hpp"
34 #include "gc/shared/taskqueue.hpp"
35 #include "runtime/orderAccess.inline.hpp"
36
37 G1EvacStats* G1CollectedHeap::alloc_buffer_stats(InCSetState dest) {
38 switch (dest.value()) {
39 case InCSetState::Young:
40 return &_survivor_evac_stats;
41 case InCSetState::Old:
42 return &_old_evac_stats;
43 default:
44 ShouldNotReachHere();
45 return NULL; // Keep some compilers happy
46 }
47 }
48
49 size_t G1CollectedHeap::desired_plab_sz(InCSetState dest) {
50 size_t gclab_word_size = alloc_buffer_stats(dest)->desired_plab_sz(workers()->active_workers());
51 // Prevent humongous PLAB sizes for two reasons:
52 // * PLABs are allocated using a similar paths as oops, but should
53 // never be in a humongous region
54 // * Allowing humongous PLABs needlessly churns the region free lists
55 return MIN2(_humongous_object_threshold_in_words, gclab_word_size);
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15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_GC_G1_G1COLLECTEDHEAP_INLINE_HPP
26 #define SHARE_VM_GC_G1_G1COLLECTEDHEAP_INLINE_HPP
27
28 #include "gc/g1/g1BarrierSet.hpp"
29 #include "gc/g1/g1CollectedHeap.hpp"
30 #include "gc/g1/g1CollectorState.hpp"
31 #include "gc/g1/g1ConcurrentMark.inline.hpp"
32 #include "gc/g1/heapRegionManager.inline.hpp"
33 #include "gc/g1/heapRegionSet.inline.hpp"
34 #include "gc/shared/taskqueue.hpp"
35 #include "runtime/orderAccess.hpp"
36
37 G1EvacStats* G1CollectedHeap::alloc_buffer_stats(InCSetState dest) {
38 switch (dest.value()) {
39 case InCSetState::Young:
40 return &_survivor_evac_stats;
41 case InCSetState::Old:
42 return &_old_evac_stats;
43 default:
44 ShouldNotReachHere();
45 return NULL; // Keep some compilers happy
46 }
47 }
48
49 size_t G1CollectedHeap::desired_plab_sz(InCSetState dest) {
50 size_t gclab_word_size = alloc_buffer_stats(dest)->desired_plab_sz(workers()->active_workers());
51 // Prevent humongous PLAB sizes for two reasons:
52 // * PLABs are allocated using a similar paths as oops, but should
53 // never be in a humongous region
54 // * Allowing humongous PLABs needlessly churns the region free lists
55 return MIN2(_humongous_object_threshold_in_words, gclab_word_size);
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