// It dirties the cards that cover the block so that so that the post
// write barrier never queues anything when updating objects on this
// block. It is assumed (and in fact we assert) that the block
// belongs to a young region.
inline void
G1CollectedHeap::dirty_young_block(HeapWord* start, size_t word_size) {
assert_heap_not_locked();
// Assign the containing region to containing_hr so that we don't
// have to keep calling heap_region_containing_raw() in the
// asserts below.
DEBUG_ONLY(HeapRegion* containing_hr = heap_region_containing_raw(start);)
inline HeapWord*
G1CollectedHeap::attempt_allocation(size_t word_size,
unsigned int* gc_count_before_ret) {
assert_heap_not_locked_and_not_at_safepoint();
assert(!isHumongous(word_size), "attempt_allocation() should not "
"be called for humongous allocation requests");
HeapWord* result = _mutator_alloc_region.attempt_allocation(word_size,
false /* bot_updates */);
if (result == NULL) {
result = attempt_allocation_slow(word_size, gc_count_before_ret);
}
assert_heap_not_locked();
if (result != NULL) {
dirty_young_block(result, word_size);
}
return result;
}
inline HeapWord* G1CollectedHeap::attempt_allocation(size_t word_size,
uint* gc_count_before_ret,
uint* gclocker_retry_count_ret) {
assert_heap_not_locked_and_not_at_safepoint();
assert(!is_humongous(word_size), "attempt_allocation() should not "
"be called for humongous allocation requests");
AllocationContext_t context = AllocationContext::current();
HeapWord* result = _allocator->mutator_alloc_region(context)->attempt_allocation(word_size,
false /* bot_updates */);
if (result == NULL) {
result = attempt_allocation_slow(word_size,
context,
gc_count_before_ret,
gclocker_retry_count_ret);
}
assert_heap_not_locked();
if (result != NULL) {
dirty_young_block(result, word_size);
}
return result;
}
