Re: dropping d=1 w=0

[is%netbsd.org@localhost]

On Fri, Feb 28, 2020 at 07:14:47PM +0100, Maxime Villard wrote:
> We need to eliminate the pages that have the "dirty" bit set without the
> "writable" bit set.
> 
> The biggest cause of these pages is pmap_write_protect(), which drops
> PTE_W but leaves PTE_D.

Is this a bug or intentional? - as  in
"no more changes here, but need still to write what was changed earlier"

Regards
	-is