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comparison src/share/vm/memory/defNewGeneration.cpp @ 13060:8f07aa079343

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8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking 7057939: jmap shows MaxNewSize=4GB when Java is using parallel collector Summary: Major cleanup of the collectorpolicy classes Reviewed-by: tschatzl, jcoomes
author jwilhelm
date Fri, 01 Nov 2013 17:09:38 +0100
parents 330dfb0476f4
children 86e6d691f2e1
comparison
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13059:46d7652b223c 13060:8f07aa079343
202 vm_exit_during_initialization("Could not allocate a new gen space"); 202 vm_exit_during_initialization("Could not allocate a new gen space");
203 203
204 // Compute the maximum eden and survivor space sizes. These sizes 204 // Compute the maximum eden and survivor space sizes. These sizes
205 // are computed assuming the entire reserved space is committed. 205 // are computed assuming the entire reserved space is committed.
206 // These values are exported as performance counters. 206 // These values are exported as performance counters.
207 uintx alignment = GenCollectedHeap::heap()->collector_policy()->min_alignment(); 207 uintx alignment = GenCollectedHeap::heap()->collector_policy()->space_alignment();
208 uintx size = _virtual_space.reserved_size(); 208 uintx size = _virtual_space.reserved_size();
209 _max_survivor_size = compute_survivor_size(size, alignment); 209 _max_survivor_size = compute_survivor_size(size, alignment);
210 _max_eden_size = size - (2*_max_survivor_size); 210 _max_eden_size = size - (2*_max_survivor_size);
211 211
212 // allocate the performance counters 212 // allocate the performance counters
233 233
234 void DefNewGeneration::compute_space_boundaries(uintx minimum_eden_size, 234 void DefNewGeneration::compute_space_boundaries(uintx minimum_eden_size,
235 bool clear_space, 235 bool clear_space,
236 bool mangle_space) { 236 bool mangle_space) {
237 uintx alignment = 237 uintx alignment =
238 GenCollectedHeap::heap()->collector_policy()->min_alignment(); 238 GenCollectedHeap::heap()->collector_policy()->space_alignment();
239 239
240 // If the spaces are being cleared (only done at heap initialization 240 // If the spaces are being cleared (only done at heap initialization
241 // currently), the survivor spaces need not be empty. 241 // currently), the survivor spaces need not be empty.
242 // Otherwise, no care is taken for used areas in the survivor spaces 242 // Otherwise, no care is taken for used areas in the survivor spaces
243 // so check. 243 // so check.
471 return eden()->free() 471 return eden()->free()
472 + from()->free(); // to() is only used during scavenge 472 + from()->free(); // to() is only used during scavenge
473 } 473 }
474 474
475 size_t DefNewGeneration::max_capacity() const { 475 size_t DefNewGeneration::max_capacity() const {
476 const size_t alignment = GenCollectedHeap::heap()->collector_policy()->min_alignment(); 476 const size_t alignment = GenCollectedHeap::heap()->collector_policy()->space_alignment();
477 const size_t reserved_bytes = reserved().byte_size(); 477 const size_t reserved_bytes = reserved().byte_size();
478 return reserved_bytes - compute_survivor_size(reserved_bytes, alignment); 478 return reserved_bytes - compute_survivor_size(reserved_bytes, alignment);
479 } 479 }
480 480
481 size_t DefNewGeneration::unsafe_max_alloc_nogc() const { 481 size_t DefNewGeneration::unsafe_max_alloc_nogc() const {