[FE training-materials-updates] PAE uses 40-bits addresses, not bigger pages
Maxime Ripard
maxime.ripard at free-electrons.com
Thu Oct 3 09:55:52 CEST 2013
Repository : git://git.free-electrons.com/training-materials.git
On branch : kernel-ng
Link : http://git.free-electrons.com/training-materials/commit/?id=2f405a83b9a91b1f44480bbf7f4a5b08dc3c5846
>---------------------------------------------------------------
commit 2f405a83b9a91b1f44480bbf7f4a5b08dc3c5846
Author: Maxime Ripard <maxime.ripard at free-electrons.com>
Date: Thu Oct 3 09:53:14 2013 +0200
PAE uses 40-bits addresses, not bigger pages
Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
>---------------------------------------------------------------
2f405a83b9a91b1f44480bbf7f4a5b08dc3c5846
.../kernel-driver-development-memory.tex | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/slides/kernel-driver-development-memory/kernel-driver-development-memory.tex b/slides/kernel-driver-development-memory/kernel-driver-development-memory.tex
index addd95e..4b4e8d7 100644
--- a/slides/kernel-driver-development-memory/kernel-driver-development-memory.tex
+++ b/slides/kernel-driver-development-memory/kernel-driver-development-memory.tex
@@ -78,8 +78,7 @@
\item PAE (Physical Address Expansion) may be supported by your
architecture
\item Adds some address extension bits used to index memory areas
- \item Allows accessing up to 64 GB of physical memory through
- bigger pages (2 MB pages on x86 with PAE)
+ \item Allows accessing up to 64 GB of physical memory on x86
\item Note that each user-space process is still limited to a 3 GB
memory space
\end{itemize}
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