Re: Best way to get max KVA setting?
From: Mike Silbersack (silby_at_silby.com)
Date: Wed, 25 Jun 2003 12:35:17 -0500 (CDT) To: Terry Lambert <firstname.lastname@example.org>
On Wed, 25 Jun 2003, Terry Lambert wrote:
> Mike Silbersack wrote:
> > I could probably grep for this, but what's the best way to get a hold of
> > the # of pages (or MB of ram) that max KVA is set to? I'm adding another
> > autosize option, and I want to base it on min (KVA, ram) so that it
> > doesn't balloon on boxes where ram >> KVA.
> I posted a patch about a month ago that did exactly this.
> It was for a guy who was was running with PAE enabled on an
> 8G machine, and the autotuning was shooting him in the foot
> when it tried to grab enough memory to create kmem_map entries
> for the 8G of RAM in his 2G KVA space, and its head exploded.
> Let me know if you can't find it in the -current archives, and
> I can dig it out for you, if you're willing to wait a day or
> -- Terry
I found the thread in question, but I didn't see a patch.
Mike "Silby" Silbersack
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