Re: [PATCH 2/2] page table iterators

[Andi Kleen]

On Fri, Feb 18, 2005 at 10:21:03AM +1100, Benjamin Herrenschmidt wrote:
> On Fri, 2005-02-18 at 00:03 +0100, Andi Kleen wrote:
> 
> > And to be honest we only have about 6 or 7 of these walkers
> > in the whole kernel. And 90% of them are in memory.c
> > While doing 4level I think I changed all of them around several
> > times and it wasn't that big an issue.  So it's not that we
> > have a big pressing problem here... 
> 
> We have about 50% of them in memory.c :) But my main problem is more
> that every single of them is implemented slightly differently.

No much more. But I only count real walkers, not stuff like vmalloc. 

The ioremap duplication over architectures is a bit annoying, but
the fix for that would be to factor the code out completely, not
only improve walking.

-Andi
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