Re: [ofa-general] Re: [patch 0/6] MMU Notifiers V6

[Rik van Riel]

On Fri, 8 Feb 2008 18:16:16 -0800 (PST)
Christoph Lameter <clameter@xxxxxxx> wrote:
> On Sat, 9 Feb 2008, Andrea Arcangeli wrote:
> 
> > The VM shouldn't break if try_to_unmap doesn't actually make the page
> > freeable for whatever reason. Permanent pins shouldn't happen anyway,
> 
> VM is livelocking if too many page are pinned that way right now.

> Rik has a patchset under development that addresses issues like this

PG_mlock is on the way and can easily be reused for this, too.

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