Port-amd64 archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: dropping d=1 w=0

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"


Home | Main Index | Thread Index | Old Index