From

arch/i386/xen/setup.c: In function 'xen_idle':
arch/i386/xen/setup.c:47: warning: implicit declaration of function 'need_resched'

Cc: Andi Kleen <ak@suse.de>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/i386/xen/setup.c |    1 +
 1 file changed, 1 insertion(+)

diff -puN arch/i386/xen/setup.c~xen-build-fix arch/i386/xen/setup.c
--- a/arch/i386/xen/setup.c~xen-build-fix
+++ a/arch/i386/xen/setup.c
@@ -6,6 +6,7 @@
 
 #include <linux/module.h>
 #include <linux/mm.h>
+#include <linux/sched.h>
 #include <linux/pm.h>
 
 #include <asm/elf.h>
_