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Date:      Tue, 25 Jun 2002 23:01:18 -0700 (PDT)
From:      Patrick Thomas <root@utility.clubscholarship.com>
To:        Terry Lambert <tlambert2@mindspring.com>
Cc:        Peter Wemm <peter@wemm.org>, Alfred Perlstein <bright@mu.org>, <freebsd-hackers@FreeBSD.ORG>
Subject:   Re: tunings for many httpds...
Message-ID:  <20020625225929.U68572-100000@utility.clubscholarship.com>
In-Reply-To: <3D190FFA.C7AE70BF@mindspring.com>

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> > Uhh, Terry, neither form of SHM uses KVA.  Either pageable or physically
> > backed.  The memory is only mapped into processes and is NOT mapped into
> > KVA anywhere. (*)
>
> You and Alfred are right.
>
> It looks like this was corrected by John Dyson, shortly after he
> had checked it in to work that way.

So the conclusion is that:

sysctl kern.ipc.shm_use_phys=1

Is not even potentially a magic bullet for the issue I am seeing (since
either way, all those greatly increased SHM/SEM settings I added are not
using KVA) ??

thanks,

PT


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