[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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