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Code Issues Releases Activity

Refine the PAE_TABLES entry based on feedback from kib

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and jhb.

Approved by:	re (implicit)
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Glen Barber 2015-07-23 18:11:52 +00:00
parent bdf80fecf0
commit ab2a653990
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=285818
1 changed files with 10 additions and 1 deletions
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11
release/doc/en_US.ISO8859-1/relnotes/article.xml
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@ -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;