From f9fa7d92146a58181f963a2ac4d8deef421d86de Mon Sep 17 00:00:00 2001
From: Justin Ethier <justin.ethier@gmail.com>
Date: Mon, 11 Jun 2018 17:59:34 -0400
Subject: [PATCH] Added commend regarding pending writes

---
 include/cyclone/types.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/cyclone/types.h b/include/cyclone/types.h
index 47bb8ca5..9ba6d289 100644
--- a/include/cyclone/types.h
+++ b/include/cyclone/types.h
@@ -294,6 +294,10 @@ struct gc_thread_data_t {
   int gc_status;
   int last_write;
   int last_read;
+  // Need this because minor GC may still be moving objects to the heap and
+  // if we try to trace before minor GC is done, some of the objects may be
+  // missed. So we "pend" them until minor GC is done and we know everything
+  // is on the heap.
   int pending_writes;
   mark_buffer *mark_buffer;
   int mark_buffer_len;