X-Git-Url: http://git.cascardo.eti.br/?p=cascardo%2Fkernel%2Fold_slides%2F.git;a=blobdiff_plain;f=03.char%2F03.char.xml;h=1d278a5fc101a2480dfb9c588140e3cce5458b2b;hp=43a871a2402642abe7d7c1bd86f1bc6f1e37d49d;hb=ee6d8a3e60f8cbe8d9163e6fd41edb8cba07083c;hpb=a7e0a088a8d514e8114bba23db04445f510d96e5

diff --git a/03.char/03.char.xml b/03.char/03.char.xml
index 43a871a..1d278a5 100644
--- a/03.char/03.char.xml
+++ b/03.char/03.char.xml
@@ -86,4 +86,21 @@ when driver writes less bytes than requested.
 </para>
 </foil>
 
+<foil>
+<title>Memory Allocation</title>
+<para>
+<emphasis>kmalloc</emphasis> and <emphasis>kfree</emphasis> are defined in
+<emphasis>include/linux/slab.h</emphasis> and are equivalent to their standard C
+functions <emphasis>malloc</emphasis> and <emphasis>free</emphasis>.
+</para>
+</foil>
+
+<foil>
+<title>Concurrency</title>
+<para>
+Semaphores may be used for protection with the <emphasis>up</emphasis> and
+<emphasis>down</emphasis> operations.
+</para>
+</foil>
+
 </slides>