hotspot/src/share/vm/gc_implementation/g1/heapRegion.cpp
changeset 19986 33d188c66ed9
parent 19728 9e1556506d2d
child 20282 7f9cbdf89af2
equal deleted inserted replaced
19983:82c1a95ae314 19986:33d188c66ed9
     1 /*
     1 /*
     2  * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
     2  * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     7  * published by the Free Software Foundation.
   146 #define MAX_REGION_SIZE  ( 32 * 1024 * 1024 )
   146 #define MAX_REGION_SIZE  ( 32 * 1024 * 1024 )
   147 
   147 
   148 // The automatic region size calculation will try to have around this
   148 // The automatic region size calculation will try to have around this
   149 // many regions in the heap (based on the min heap size).
   149 // many regions in the heap (based on the min heap size).
   150 #define TARGET_REGION_NUMBER          2048
   150 #define TARGET_REGION_NUMBER          2048
       
   151 
       
   152 size_t HeapRegion::max_region_size() {
       
   153   return (size_t)MAX_REGION_SIZE;
       
   154 }
   151 
   155 
   152 void HeapRegion::setup_heap_region_size(size_t initial_heap_size, size_t max_heap_size) {
   156 void HeapRegion::setup_heap_region_size(size_t initial_heap_size, size_t max_heap_size) {
   153   uintx region_size = G1HeapRegionSize;
   157   uintx region_size = G1HeapRegionSize;
   154   if (FLAG_IS_DEFAULT(G1HeapRegionSize)) {
   158   if (FLAG_IS_DEFAULT(G1HeapRegionSize)) {
   155     size_t average_heap_size = (initial_heap_size + max_heap_size) / 2;
   159     size_t average_heap_size = (initial_heap_size + max_heap_size) / 2;