[RFC v4][PATCH 4/9] Memory management (dump)

[Dave Hansen]

On Wed, 2008-09-10 at 09:55 -0700, Dave Hansen wrote:
> 
> > +               cond_resched();
> > +               while (!(page = follow_page(vma, addr, FOLL_TOUCH))) 

Why is the FOLL_TOUCH required here?

-- Dave