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Date: Wed, 20 Jul 2016 07:09:54 +0300
From: Konstantin Belousov <kostikbel@gmail.com>
To: Jan Beich <jbeich@vfemail.net>
Cc: Ed Maste <emaste@FreeBSD.org>, src-committers@freebsd.org,
 svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject: Re: svn commit: r303033 - head/share/man/man7
Message-ID: <20160720040954.GM38613@kib.kiev.ua>
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On Wed, Jul 20, 2016 at 05:01:03AM +0200, Jan Beich wrote:
> Ed Maste <emaste@FreeBSD.org> writes:
> 
> > +.It Sy Architecture Ta Sy Page Sizes
> > +.It amd64       Ta 4K, 2M, 1G
> 
> Does FreeBSD support 1G pages nowadays?
Define what do you mean by 'support'.  The direct map is mapped with 1G
pages where possible, and the mappings are demoted when page attributes
change.

Neither kernel nor userspace mappings are promoted to 1G superpages
in the current pmap.