From: Andrew Morton <akpm@osdl.org>

fs/built-in.o: In function `load_aout_binary':
fs/binfmt_aout.c:437: undefined reference to `arch_setup_additional_pages'
fs/built-in.o: In function `load_elf_binary':
fs/binfmt_elf.c:978: undefined reference to `arch_setup_additional_pages'

What does CONFIG_COMPAT_VDSO do on i386??

Cc: Parag Warudkar <parag.warudkar@gmail.com>
Cc: Joerg Ahrens <joerg@hydrops.han.de>
Cc: Andi Kleen <ak@suse.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 include/linux/interp.h |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff -puN include/linux/interp.h~x86-fix-vdso-mapping-for-aout-executables-fixes include/linux/interp.h
--- a/include/linux/interp.h~x86-fix-vdso-mapping-for-aout-executables-fixes
+++ a/include/linux/interp.h
@@ -3,7 +3,9 @@
 #define _LINUX_INTERP_H
 
 struct linux_binprm;
-#ifdef CONFIG_ARCH_HAS_SETUP_ADDITIONAL_PAGES
+
+#if defined(CONFIG_ARCH_HAS_SETUP_ADDITIONAL_PAGES) && \
+	!defined(CONFIG_COMPAT_VDSO)
 extern int arch_setup_additional_pages(struct linux_binprm *bprm,
 					int executable_stack);
 #else
_