Re: Adding extra fields to float_block and cons_block?

[Po Lu]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

> How to modify it will likely depend on what info you need/want to add
> in there.  So what is this extra array of bits_words you want to add?
> Do you want to grow cons cells to 130bits, basically?

Extra markbits, to determine whether or not an object has not yet been
marked, but has been pushed to the gray list, for use in a simple
tri-color incremental mark-and-sweep GC.

Thanks.