jdk8-mips64-public/hotspot: comparison src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp

-:94946bdf36bd
+:664ae0c5e0e5
 }
 size_t G1CollectedHeap::unsafe_max_tlab_alloc(Thread* ignored) const {
 // Return the remaining space in the cur alloc region, but not less than
 // the min TLAB size.
-// Also, no more than half the region size, since we can't allow tlabs to
-// grow big enough to accomodate humongous objects.
+// Also, this value can be at most the humongous object threshold,
+// since we can't allow tlabs to grow big enough to accomodate
-// We need to story it locally, since it might change between when we
+// humongous objects.
-// test for NULL and when we use it later.
+// We need to store the cur alloc region locally, since it might change
+// between when we test for NULL and when we use it later.
 ContiguousSpace* cur_alloc_space = _cur_alloc_region;
+size_t max_tlab_size = _humongous_object_threshold_in_words * wordSize;
 if (cur_alloc_space == NULL) {
-return HeapRegion::GrainBytes/2;
+return max_tlab_size;
 } else {
-return MAX2(MIN2(cur_alloc_space->free(),
+return MIN2(MAX2(cur_alloc_space->free(), (size_t)MinTLABSize),
-(size_t)(HeapRegion::GrainBytes/2)),
+max_tlab_size);
-(size_t)MinTLABSize);
 }
 }
 HeapWord* G1CollectedHeap::allocate_new_tlab(size_t size) {
 bool dummy;

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