Re: [RFC][PATCH 0/3] beat kswapd with the proverbial clue-bat

Arjan van de Ven
2004-09-15T13:29:04Z

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On Wed, Sep 15, 2004 at 03:27:12PM +0200, Jörn Engel wrote:
> On Sun, 5 September 2004 10:58:07 -0700, Linus Torvalds wrote:
> > On Sun, 5 Sep 2004, Arjan van de Ven wrote:
> > >
> > > well... we have a reverse mapping now. What is stopping us from doing
> > > physical defragmentation ?
> >
> > Nothing but replacement policy, really, and the fact that not everything
> > is rmappable.
>
> What about pointers? I have an ethernet driver that hands pointers to
> physical memory pages to hardware. Would be fun if someone
> defragmented those pages. ;)

if you haven't pinned those pages then you have lost already.

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