[openib-general] kernel VM monitor for memory registration caching

Gleb Natapov glebn at voltaire.com
Mon Aug 1 08:04:27 PDT 2005


On Mon, Aug 01, 2005 at 05:56:22PM +0300, Muli Ben-Yehuda wrote:
> On Mon, Aug 01, 2005 at 05:50:27PM +0300, Gleb Natapov wrote:
> 
> > Correct. We invalidate nothing in nopage handler, but if pagefault
> > happens in part of vma that is not registered we should call original
> > nopage() handler for the nonregistered page.
> 
> Why not split the VMA if we're regisgtering only a part of it? that
> way a VMA if either registered or not registered (up to a page size
> granularity).
> 
I don't like the idea of splitting VMAs if we can manage without it. You'll 
end up having to many of them.

--
			Gleb.



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