Re: [patch 2] mm: speculative get_page

Dave Hansen
2005-06-29T18:48:58Z

On Wed, 2005-06-29 at 18:31 +0200, Pavel Machek wrote:
> > > I think there are a a few ways that bits can be reclaimed if we
> > > start digging. swsusp uses 2 which seems excessive though may be
> > > fully justified.
> >
> > They (swsusp) actually don't need the bits at all until suspend-time, at
> > all. Somebody coded up a "dynamic page flags" patch that let them kill
> > the page->flags use, but it didn't really go anywhere. Might be nice if
> > someone dug it up. I probably have a copy somewhere.
>
> Unfortunately that patch was rather ugly :-(.

Do you think the idea was ugly, or just the implementation? Is there
something that you'd rather see?

-- Dave