Date: Thu, 23 Jul 2015 18:11:53 +0000 (UTC) From: Glen Barber <gjb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r285818 - head/release/doc/en_US.ISO8859-1/relnotes stable/10/release/doc/en_US.ISO8859-1/relnotes Message-ID: <201507231811.t6NIBrId085392@repo.freebsd.org>
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Author: gjb Date: Thu Jul 23 18:11:52 2015 New Revision: 285818 URL: https://svnweb.freebsd.org/changeset/base/285818 Log: Refine the PAE_TABLES entry based on feedback from kib and jhb. Approved by: re (implicit) Sponsored by: The FreeBSD Foundation Modified: head/release/doc/en_US.ISO8859-1/relnotes/article.xml Changes in other areas also in this revision: Modified: stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml Modified: head/release/doc/en_US.ISO8859-1/relnotes/article.xml ============================================================================== --- head/release/doc/en_US.ISO8859-1/relnotes/article.xml Thu Jul 23 17:27:10 2015 (r285817) +++ head/release/doc/en_US.ISO8859-1/relnotes/article.xml Thu Jul 23 18:11:52 2015 (r285818) @@ -803,7 +803,16 @@ <para revision="281495" contrib="sponsor" sponsor="&ff;">The <literal>PAE_TABLES</literal> kernel configuration option has been added for &os;/&arch.i386;, which instructs &man.pmap.9; - to use <acronym>PAE</acronym> format for page tables.</para> + to use <acronym>PAE</acronym> format for page tables with + 32-bit physical addresses. Unlike the <literal>PAE</literal> + option, <literal>PAE_TABLES</literal> preserves kernel binary + interface (<acronym>KBI</acronym>) compatibility with + non-<literal>PAE</literal> kernels, allowing + non-<literal>PAE</literal> kernel modules and drivers to work + with a <literal>PAE_TABLES</literal>-enabled kernel. + Additionally, system limits are tuned for 4GB maximum + <acronym>RAM</acronym>, avoiding kernel virtual address space + (<acronym>KVA</acronym>) exhaustion.</para> <para revision="282215">The <literal>SIFTR</literal> kernel configuration has been added, allowing building &man.siftr.4;
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