[FE training-materials-updates] Misc typo, spacing and grammar corrections

[Michael Opdenacker]

Repository : git://git.free-electrons.com/training-materials.git

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=a085782599a664152925582bef56484254a4bc23

>---------------------------------------------------------------

commit a085782599a664152925582bef56484254a4bc23
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Tue Dec 10 06:02:08 2013 +0100

    Misc typo, spacing and grammar corrections
    
    - Reported by Radek Dostal (thanks!)
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>


>---------------------------------------------------------------

a085782599a664152925582bef56484254a4bc23
 slides/kernel-frameworks/kernel-frameworks.tex     |    6 +++---
 .../sysdev-embedded-linux.tex                      |    2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/slides/kernel-frameworks/kernel-frameworks.tex b/slides/kernel-frameworks/kernel-frameworks.tex
index b74452e..6e208fb 100644
--- a/slides/kernel-frameworks/kernel-frameworks.tex
+++ b/slides/kernel-frameworks/kernel-frameworks.tex
@@ -286,13 +286,13 @@ struct file_operations {
 \begin{frame}
   \frametitle{Zero copy access to user memory}
   \begin{itemize}
-  \item Having to copy data to our from an intermediate kernel buffer
+  \item Having to copy data to or from an intermediate kernel buffer
     can become expensive when the amount of data to transfer is
-    important (video).
+    large (video).
   \item \emph{Zero copy} options are possible:
     \begin{itemize}
     \item \code{mmap()} system call to allow user space to directly
-      access memory mapped I/O space.  See our \code{mmap()} chapter.
+      access memory mapped I/O space. See our \code{mmap()} chapter.
     \item \kfunc{get_user_pages} to get a mapping to user pages
       without having to copy them. See \url{http://j.mp/oPW6Fb}
       (Kernel API doc). This API is more complex to use though.
diff --git a/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex b/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
index f75f53c..b6623d5 100644
--- a/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
+++ b/slides/sysdev-embedded-linux/sysdev-embedded-linux.tex
@@ -1099,7 +1099,7 @@ met:
   \item The \code{configure} script and the \code{Makefile.in} files
     are generated by \code{autoconf} and \code{automake} respectively.
     \begin{itemize}
-    \item They should never modified directly
+    \item They should never be modified directly
     \item They are usually shipped pre-generated in the software
       package, because there are several versions of \code{autoconf}
       and \code{automake}, and they are not completely compatible