Re: [Lhms-devel] [PATCH 0/7] Fragmentation Avoidance V19

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On Mon, 2005-11-07 at 09:00 +0100, Ingo Molnar wrote:
> * Linus Torvalds <[email protected]> wrote:
> > So remappable kernels are certainly doable, they just have more 
> > fundamental problems than remappable user space _ever_ has. Both from 
> > a performance and from a complexity angle.
> 
> furthermore, it doesnt bring us any closer to removable RAM. The problem 
> is still unsolvable (due to the 'how to do you find live pointers to fix 
> up' issue), even if the full kernel VM is 'mapped' at 4K granularity.

I'm not sure I understand.  If you're remapping, why do you have to find
live and fix up live pointers?  Are you talking about things that
require fixed _physical_ addresses?

-- Dave

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