struct opslot: document a field better

diff --git a/op.h b/op.h
index 5a61b6a..2da5edc 100644 (file)
--- a/op.h
+++ b/op.h
@@ -698,7 +698,7 @@ struct opslot {
 struct opslab {
     OPSLAB *   opslab_next;            /* next slab */
     OPSLAB *   opslab_head;            /* first slab in chain */
 struct opslab {
     OPSLAB *   opslab_next;            /* next slab */
     OPSLAB *   opslab_head;            /* first slab in chain */

-    OP *       opslab_freed;           /* chain of freed ops */
+    OP *       opslab_freed;           /* chain of freed ops (head only)*/

     size_t     opslab_refcnt;          /* number of ops (head slab only) */
     U16                opslab_size;            /* size of slab in pointers,
                                            including header */
     size_t     opslab_refcnt;          /* number of ops (head slab only) */
     U16                opslab_size;            /* size of slab in pointers,
                                            including header */