diff -ru ./2.6.x/Makefile ../../../../../../fglrx-install.uZLF8t/common/lib/modules/fglrx/build_mod//2.6.x/Makefile
--- ./2.6.x/Makefile	2010-09-01 16:05:31.000000000 +0200
+++ ../../../../../../fglrx-install.uZLF8t/common/lib/modules/fglrx/build_mod//2.6.x/Makefile	2010-09-23 08:47:24.000000000 +0200
@@ -66,6 +66,8 @@
                 -DFGL_GART_RESERVED_SLOT \
                 -DFGL_LINUX253P1_VMA_API \
                 -DPAGE_ATTR_FIX=$(PAGE_ATTR_FIX) \
+	        -DARCH_COMPAT_ALLOC_USER_SPACE=$(ARCH_COMPAT_ALLOC_USER_SPACE) \
+

 ifeq ($(KERNELRELEASE),)
 # on first call from remote location we get into this path
diff -ru ./kcl_ioctl.c ../../../../../../fglrx-install.uZLF8t/common/lib/modules/fglrx/build_mod//kcl_ioctl.c
--- ./kcl_ioctl.c	2010-09-01 16:05:31.000000000 +0200
+++ ../../../../../../fglrx-install.uZLF8t/common/lib/modules/fglrx/build_mod//kcl_ioctl.c	2010-09-23 08:41:30.000000000 +0200
@@ -193,7 +193,20 @@
  */
 void* ATI_API_CALL KCL_IOCTL_AllocUserSpace32(long size)
 {
-    return compat_alloc_user_space(size);
+  void __user *space;
+
+#if ARCH_COMPAT_ALLOC_USER_SPACE
+  space = arch_compat_alloc_user_space(size);
+#else
+  space = compat_alloc_user_space(size);
+#endif
+
+  /* Avoid CVE-2010-3081 by checking access_ok ourselves */
+  if (!access_ok(VERIFY_WRITE, space, size)) {
+    return NULL;
+  }
+
+  return space;
 }

 #endif // __x86_64__
diff -ru ./make.sh ../../../../../../fglrx-install.uZLF8t/common/lib/modules/fglrx/build_mod//make.sh
--- ./make.sh	2010-09-01 16:05:31.000000000 +0200
+++ ../../../../../../fglrx-install.uZLF8t/common/lib/modules/fglrx/build_mod//make.sh	2010-09-23 08:46:14.000000000 +0200
@@ -391,6 +391,26 @@
 fi

 # ==============================================================
+# resolve if we have compat_alloc_user_space is in linux/compat.h
+
+ARCH_COMPAT_ALLOC_USER_SPACE=0
+
+src_file=$linuxincludes/linux/compat.h
+if [ ! -e $src_file ];
+then
+    echo "Warning:"                                                  >> $logfile
+    echo "kernel includes at $linuxincludes not found or incomplete" >> $logfile
+    echo "file: $src_file"                                           >> $logfile
+    echo ""                                                          >> $logfile
+else
+    if grep -q compat_alloc_user_space $src_file;
+    then
+	ARCH_COMPAT_ALLOC_USER_SPACE=1
+	echo "file $src_file says: ARCH_COMPAT_ALLOC_USER_SPACE=$ARCH_COMPAT_ALLOC_USER_SPACE" >> $logfile
+    fi
+fi
+
+# ==============================================================
 # break down OsRelease string into its components

 major=`echo $OsRelease | sed -n -e s/"^\([[:digit:]]*\)\.\([[:digit:]]*\)\.\([[:digit:]]*\)\(.*\)"/"\\1"/p`
@@ -429,6 +449,7 @@
     MODFLAGS="-DMODULE -DATI -DFGL -DPAGE_ATTR_FIX=$PAGE_ATTR_FIX $def_smp $def_modversions" \
     KVER=${uname_r} \
     PAGE_ATTR_FIX=$PAGE_ATTR_FIX \
+    ARCH_COMPAT_ALLOC_USER_SPACE=$ARCH_COMPAT_ALLOC_USER_SPACE \
     > tlog 2>&1 
 
 res=$?