On Thu, 16 Mar 2006, Hugh Dickins wrote:
> On Thu, 16 Mar 2006, Hugh Dickins wrote:
> >
> > I can't see what protects the default drop_buffers case against this,
> > so can't argue that it's an XFS problem.
>
> But I should add, I don't see what might be racing with what on the
> same page, to cause the problem in practice.
The page is on the inactive list at the time pagevec_strip is called
(see refill_inactive_zone). So kswapd could get to it. Could filesystems
get to the page via the mapping?
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