Re: Best way to get max KVA setting?

From: Mike Silbersack (silby_at_silby.com)
Date: 06/25/03

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    Date: Wed, 25 Jun 2003 12:35:17 -0500 (CDT)
To: Terry Lambert <tlambert2@mindspring.com>

    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
    > two.
    >
    > -- Terry

    I found the thread in question, but I didn't see a patch.

    Mike "Silby" Silbersack
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