Re: [PATCH] anobjrmap 1/6 objrmap

[Andrea Arcangeli <andrea@suse.de>]

On Sat, Mar 20, 2004 at 07:56:37AM -0800, Martin J. Bligh wrote:
> > I'm working on my code yes, I think my code is finished, I prefer my
> > design for the various reasons explained in the other emails (you don't
> > swap so you can't appreciate the benefits, you only have to check that
> > performs as well as Hugh's code).
> > 
> > Hugh's and your code is unstable in objrmap, you can find the details in
> > the email I sent to Hugh, mine is stable (running such simulation for a
> > few days just fine on 4-way xeon, without my objrmap fixes it live locks
> > as soon as it hits swap).
> > 
> > You find my anon_vma in 2.6.5-rc1aa2, it's rock solid, just apply the
> > whole patch and compare it with your other below results. thanks.
> 
> Mmmm, if you have a broken out patch, it'd be preferable. If I were to 
> apply the whole of -mjb, I'll get a damned sight better results than 
> any of them, but that's not really a fair comparison ;-) I'll can at 
> least check it's stable for me that way though. 
> 
> I did find your broken-out anon-vma patch, but it's against something
> else, maybe half-way up your tree or something, and I didn't bother
> trying to fix it ;-)

this one is against mainline, but you must use my objrmap patch too
which is fixed so it doesn't crash in 2.6.5-rc1.

	http://www.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.6/2.6.5-rc1-aa2/00100_objrmap-core-1.gz
	http://www.us.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.6/2.6.5-rc1-aa2/00101_anon_vma-2.gz

just backout your objrmap and apply the above two, it should apply
pretty well.