void ThreadLocalAllocBuffer::initialize(HeapWord* start,
HeapWord* top,
HeapWord* end) {
set_start(start);
set_top(top);
set_pf_top(top);
set_end(end);
invariants();
}
// Fills the current tlab with a dummy filler array to create
// an illusion of a contiguous Eden and optionally retires the tlab.
// Waste accounting should be done in caller as appropriate; see,
// for example, clear_before_allocation().
void ThreadLocalAllocBuffer::make_parsable(bool retire) {
if (end() != NULL) {
invariants();
CollectedHeap::fill_with_object(top(), hard_end());
if (retire || ZeroTLAB) { // "Reset" the TLAB
set_start(NULL);
set_top(NULL);
set_pf_top(NULL);
set_end(NULL);
}
}
assert(!(retire || ZeroTLAB) ||
(start() == NULL && end() == NULL && top() == NULL),
"TLAB must be reset");
}
