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-rw-r--r--release/doc/en_US.ISO8859-1/relnotes/article.xml11
1 files changed, 10 insertions, 1 deletions
diff --git a/release/doc/en_US.ISO8859-1/relnotes/article.xml b/release/doc/en_US.ISO8859-1/relnotes/article.xml
index 4b926b2..c2df07f 100644
--- a/release/doc/en_US.ISO8859-1/relnotes/article.xml
+++ b/release/doc/en_US.ISO8859-1/relnotes/article.xml
@@ -353,7 +353,16 @@
<para revision="282065" 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="282826">The <literal>SIFTR</literal> kernel
configuration has been added, allowing building &man.siftr.4;
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