Date: Fri, 26 Feb 2010 00:37:43 -0800 From: Nerius Landys <nlandys@gmail.com> To: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: 8.0 PAE kernel, KVA and kern.maxvnodes Message-ID: <560f92641002260037h4b258a81v2f24e96192365ea5@mail.gmail.com>
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I have a 32 bit FreeBSD 8.0 running on a quad core Xeon machine with 6 gigs of RAM. I decided on a 32 bit vs 64 for various reasons. So now I need to enable PAE in the kernel, easy enough. I had a look through all the relevant man pages and I've successfully modified my kernel configuration file. I just have one concern remaining. I do a "man 4 pae" and the last paragraph has me worried a bit. It's regarding KVA_PAGES and kern.maxvnodes. I'm not really sure what they mean there in the man page, and the "tuning" manpage does not give further details on this subject. The Google hits that I got regarding this are a bit outdated as well. Should I tamper with these values (KVA_PAGES and/or kern.maxvnodes)? If so, what are some good settings for my 6 gig machine running FreeBSD 8.0? Or maybe just leave as-is?
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