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comparison src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp @ 3774:c9ca3f51cf41

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6994322: Remove the is_tlab and is_noref / is_large_noref parameters from the CollectedHeap Summary: Remove two unused parameters from the mem_allocate() method and update its uses accordingly. Reviewed-by: stefank, johnc
author tonyp
date Thu, 16 Jun 2011 15:51:57 -0400
parents 6747fd0512e0
children e8b0b0392037
comparison
equal deleted inserted replaced
3773:5130fa1b24f1 3774:c9ca3f51cf41
444 // * They should both be called without holding the Heap_lock. 444 // * They should both be called without holding the Heap_lock.
445 // 445 //
446 // * All allocation requests for new TLABs should go to 446 // * All allocation requests for new TLABs should go to
447 // allocate_new_tlab(). 447 // allocate_new_tlab().
448 // 448 //
449 // * All non-TLAB allocation requests should go to mem_allocate() 449 // * All non-TLAB allocation requests should go to mem_allocate().
450 // and mem_allocate() should never be called with is_tlab == true.
451 // 450 //
452 // * If either call cannot satisfy the allocation request using the 451 // * If either call cannot satisfy the allocation request using the
453 // current allocating region, they will try to get a new one. If 452 // current allocating region, they will try to get a new one. If
454 // this fails, they will attempt to do an evacuation pause and 453 // this fails, they will attempt to do an evacuation pause and
455 // retry the allocation. 454 // retry the allocation.
465 // will satisfy them with a special path. 464 // will satisfy them with a special path.
466 465
467 virtual HeapWord* allocate_new_tlab(size_t word_size); 466 virtual HeapWord* allocate_new_tlab(size_t word_size);
468 467
469 virtual HeapWord* mem_allocate(size_t word_size, 468 virtual HeapWord* mem_allocate(size_t word_size,
470 bool is_noref,
471 bool is_tlab, /* expected to be false */
472 bool* gc_overhead_limit_was_exceeded); 469 bool* gc_overhead_limit_was_exceeded);
473 470
474 // The following three methods take a gc_count_before_ret 471 // The following three methods take a gc_count_before_ret
475 // parameter which is used to return the GC count if the method 472 // parameter which is used to return the GC count if the method
476 // returns NULL. Given that we are required to read the GC count 473 // returns NULL. Given that we are required to read the GC count
1302 // At least until perm gen collection is also G1-ified, at 1299 // At least until perm gen collection is also G1-ified, at
1303 // which point this should return false. 1300 // which point this should return false.
1304 return true; 1301 return true;
1305 } 1302 }
1306 1303
1307 // The boundary between a "large" and "small" array of primitives, in
1308 // words.
1309 virtual size_t large_typearray_limit();
1310
1311 // Returns "true" iff the given word_size is "very large". 1304 // Returns "true" iff the given word_size is "very large".
1312 static bool isHumongous(size_t word_size) { 1305 static bool isHumongous(size_t word_size) {
1313 // Note this has to be strictly greater-than as the TLABs 1306 // Note this has to be strictly greater-than as the TLABs
1314 // are capped at the humongous thresold and we want to 1307 // are capped at the humongous thresold and we want to
1315 // ensure that we don't try to allocate a TLAB as 1308 // ensure that we don't try to allocate a TLAB as