Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/gc_implementation/shared/mutableNUMASpace.cpp
src/share/vm/gc_implementation/shared/mutableNUMASpace.cpp
- changeset 25
- 873fd82b133d
- parent 1
- 2d8a650513c2
- child 6876
- 710a3c8b516e
equal
deleted
inserted
replaced
| 24:d2be62fdfa50 | 25:873fd82b133d |
|---|---|
| 19 * | 19 * |
| 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 21 * or visit www.oracle.com if you need additional information or have any | 21 * or visit www.oracle.com if you need additional information or have any |
| 22 * questions. | 22 * questions. |
| 23 * | 23 * |
| 24 */ | |
| 25 | |
| 26 /* | |
| 27 * This file has been modified by Loongson Technology in 2015. These | |
| 28 * modifications are Copyright (c) 2015 Loongson Technology, and are made | |
| 29 * available on the same license terms set forth above. | |
| 30 */ | 24 */ |
| 31 | 25 |
| 32 #include "precompiled.hpp" | 26 #include "precompiled.hpp" |
| 33 #include "gc_implementation/shared/mutableNUMASpace.hpp" | 27 #include "gc_implementation/shared/mutableNUMASpace.hpp" |
| 34 #include "gc_implementation/shared/spaceDecorator.hpp" | 28 #include "gc_implementation/shared/spaceDecorator.hpp" |
| 871 ls->set_allocation_failed(); | 865 ls->set_allocation_failed(); |
| 872 } | 866 } |
| 873 return p; | 867 return p; |
| 874 } | 868 } |
| 875 | 869 |
| 876 HeapWord* MutableNUMASpace::cas_allocate_oldnuma(size_t size, int node) { | |
| 877 LGRPSpace *ls = lgrp_spaces()->at(node); | |
| 878 MutableSpace *s = ls->space(); | |
| 879 HeapWord *p = s->cas_allocate(size); | |
| 880 if (p != NULL) { | |
| 881 size_t remainder = pointer_delta(s->end(), p + size); | |
| 882 if (remainder < CollectedHeap::min_fill_size() && remainder > 0) { | |
| 883 if (s->cas_deallocate(p, size)) { | |
| 884 // We were the last to allocate and created a fragment less than | |
| 885 // a minimal object. | |
| 886 p = NULL; | |
| 887 } else { | |
| 888 guarantee(false, "Deallocation should always succeed"); | |
| 889 } | |
| 890 } | |
| 891 } | |
| 892 if (p != NULL) { | |
| 893 HeapWord* cur_top, *cur_chunk_top = p + size; | |
| 894 while ((cur_top = top()) < cur_chunk_top) { // Keep _top updated. | |
| 895 if (Atomic::cmpxchg_ptr(cur_chunk_top, top_addr(), cur_top) == cur_top) { | |
| 896 break; | |
| 897 } | |
| 898 } | |
| 899 } | |
| 900 | |
| 901 // Make the page allocation happen here if there is no static binding. | |
| 902 if (p != NULL && !os::numa_has_static_binding() ) { | |
| 903 for (HeapWord *i = p; i < p + size; i += os::vm_page_size() >> LogHeapWordSize) { | |
| 904 *(int*)i = 0; | |
| 905 } | |
| 906 } | |
| 907 if (p == NULL) { | |
| 908 ls->set_allocation_failed(); | |
| 909 } | |
| 910 return p; | |
| 911 } | |
| 912 | |
| 913 void MutableNUMASpace::print_short_on(outputStream* st) const { | 870 void MutableNUMASpace::print_short_on(outputStream* st) const { |
| 914 MutableSpace::print_short_on(st); | 871 MutableSpace::print_short_on(st); |
| 915 st->print(" ("); | 872 st->print(" ("); |
| 916 for (int i = 0; i < lgrp_spaces()->length(); i++) { | 873 for (int i = 0; i < lgrp_spaces()->length(); i++) { |
| 917 st->print("lgrp %d: ", lgrp_spaces()->at(i)->lgrp_id()); | 874 st->print("lgrp %d: ", lgrp_spaces()->at(i)->lgrp_id()); |
