diff --git a/Config.in b/Config.in
index 2ed3c76..27b563f 100644
--- a/Config.in
+++ b/Config.in
@@ -377,6 +377,25 @@ menu "--- BOOK Settings"
 		string
 		default	"glibc"		if LIB_GLIBC
 		default "uclibc"	if LIB_UCLIBC
+
+	choice
+		prompt "Kernel series"
+		depends on BOOK_HLFS
+		help
+			#-- Which kernel series to use: 2.6/2.4
+
+		config	KERNEL_26
+			bool "2.6 kernel series"
+
+		config	KERNEL_24
+			bool "2.4 kernel series"
+	endchoice
+
+	config	KERNEL
+		depends on BOOK_HLFS
+		string
+		default	"2.6"		if KERNEL_26
+		default	"2.4"		if KERNEL_24
 	#--- End HLFS specific params
 
 	#--- Custom Tools support
diff --git a/HLFS/hlfs.xsl b/HLFS/hlfs.xsl
index fc65f68..215ed72 100644
--- a/HLFS/hlfs.xsl
+++ b/HLFS/hlfs.xsl
@@ -16,6 +16,9 @@
   <!-- What libc implentation must be used? -->
   <xsl:param name="model" select="glibc"/>
 
+  <!-- What kernel serie must be used? -->
+  <xsl:param name="kernel" select="2.6"/>
+
   <!-- Is the host kernel using grsecurity? -->
   <xsl:param name="grsecurity_host" select="n"/>
 
@@ -51,6 +54,7 @@
                   ../@id='chapter-building-system' or
                   ../@id='chapter-bootable') and
                   ((@condition=$model or not(@condition)) and
+                  ((@vendor=$kernel or not(@vendor)) and
                   count(descendant::screen/userinput) &gt; 0 and
                   count(descendant::screen/userinput) &gt;
                   count(descendant::screen[@role='nodump']))">
@@ -144,6 +148,7 @@
 
   <xsl:template match="screen">
     <xsl:if test="(@condition=$model or not(@condition)) and
+                  (@vendor=$kernel or not(@vendor)) and
                   child::* = userinput and not(@role = 'nodump')">
       <xsl:apply-templates select="userinput" mode="screen"/>
     </xsl:if>
@@ -319,7 +324,8 @@
   </xsl:template>
 
   <xsl:template match="literal">
-    <xsl:if test="@condition=$model or not(@condition)">
+    <xsl:if test="(@condition=$model or not(@condition)) and
+                  (@vendor=$kernel or not(@vendor))">
       <xsl:apply-templates/>
     </xsl:if>
   </xsl:template>
diff --git a/common/libs/func_book_parser b/common/libs/func_book_parser
index d78e4a4..5da65f8 100644
--- a/common/libs/func_book_parser
+++ b/common/libs/func_book_parser
@@ -122,6 +122,7 @@ extract_commands() {         #
         xsltproc --nonet \
                  --xinclude \
                  --stringparam model $MODEL \
+                 --stringparam kernel $KERNEL \
                  --stringparam testsuite $TEST \
                  --stringparam bomb-testsuite $BOMB_TEST \
                  --stringparam timezone $TIMEZONE \
diff --git a/common/libs/func_validate_configs.sh b/common/libs/func_validate_configs.sh
index be77233..81df8d3 100644
--- a/common/libs/func_validate_configs.sh
+++ b/common/libs/func_validate_configs.sh
@@ -31,7 +31,7 @@ inline_doc
 
   # BOOK Settings by book
   local -r   LFS_book="$BOOK_common BLFS_TOOL"
-  local -r  HLFS_book="$BOOK_common BLFS_TOOL MODEL GRSECURITY_HOST"
+  local -r  HLFS_book="$BOOK_common BLFS_TOOL MODEL KERNEL GRSECURITY_HOST"
   local -r  CLFS_book="$BOOK_common BLFS_TOOL METHOD $BOOK_clfsX TARGET32 BOOT_CONFIG"
   local -r CLFS2_book="$BOOK_common BLFS_TOOL        $BOOK_clfsX"
   local -r CLFS3_book="$BOOK_common                  $BOOK_clfsX PLATFORM MIPS_LEVEL"
@@ -171,9 +171,8 @@ inline_doc
       CONFIG)      validate_file -z+ -e -s ;;
       BOOT_CONFIG) [[ "${METHOD}" = "boot" ]] && validate_file -z -e -s ;;
 
-        # Treatment of 'special' parameters
-      LANG | \
-      LC_ALL)  # See it the locale values exist on this machine
+        # Treatment of LANG parameter
+      LANG )  # See it the locale value has been set
                echo -n "`eval echo $PARAM_VALS`"
                [[ -z "${!config_param}" ]] &&
                  echo " -- Variable $config_param cannot be empty!" &&