py/gc: Update comment now that gc_drain_stack is called gc_mark_subtree.

This commit is contained in:
Damien George 2018-02-19 16:08:20 +11:00
parent 736faef223
commit 2a0cbc0d38

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@ -341,10 +341,9 @@ void gc_collect_root(void **ptrs, size_t len) {
for (size_t i = 0; i < len; i++) {
void *ptr = ptrs[i];
if (VERIFY_PTR(ptr)) {
// Mark and push this pointer
size_t block = BLOCK_FROM_PTR(ptr);
if (ATB_GET_KIND(block) == AT_HEAD) {
// an unmarked head, mark it, and push it on gc stack
// An unmarked head: mark it, and mark all its children
TRACE_MARK(block, ptr);
ATB_HEAD_TO_MARK(block);
gc_mark_subtree(block);