Date: Sun, 28 Jun 2009 21:03:44 -0400 From: Nathanael Hoyle <nhoyle@hoyletech.com> To: freebsd-hackers@freebsd.org Subject: Re: large pages (amd64) Message-ID: <4A4812F0.2080208@hoyletech.com> In-Reply-To: <20090629003522.GA18543@britannica.bec.de> References: <alpine.BSF.2.00.0906281933580.1809@wojtek.tensor.gdynia.pl> <4A480760.50705@hoyletech.com> <20090629003522.GA18543@britannica.bec.de>
next in thread | previous in thread | raw e-mail | index | archive | help
Joerg Sonnenberger wrote: > On Sun, Jun 28, 2009 at 08:14:24PM -0400, Nathanael Hoyle wrote: > >> Just to be clear, since you say i386 (I presume you mean architecture), >> I believe the Physical Address Extensions which allowed 2MB Page Size >> bit to be set was introduced with Pentium Pro. Processors prior to this >> were limited to standard 4KB pages. >> > > PSE != PAE != PSE36. Pentium Pro sounds about right though. > > Joerg > Thanks for the clarification/correction. PSE does not depend on PAE, though both were introduced at roughly the same time (appears PSE was introduced silently in Pentium, officially in Pentium Pro). I definitely wasn't thinking of PSE36, which was the Pentium III. -Nathanael
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4A4812F0.2080208>