Re: invalidate_inode_pages in 2.5.32/3

Daniel Phillips
2002-09-11T17:17:53Z

On Wednesday 11 September 2002 18:18, Rik van Riel wrote:
> On Tue, 10 Sep 2002, Andrew Morton wrote:
>
> > We _could_ walk the pte chain in writeback. But that would involve
> > visiting every page in the mapping, basically. That could hurt.
> >
> > But if a page is already dirty, and we're going to write it anyway,
> > it makes tons of sense to run around and clean all the ptes which
> > point at it.
>
> Walking ptes probably doesn't hurt as much as doing extra
> disk IO, so I guess you're right ;)

Well, but the thing I'm worried about is that we have failed to
implement sys_msync at this point, please reassure me on that, if
possible.

--
Daniel