From: Andrew Morton <akpm@linux-foundation.org>

fs/exec.c: In function 'setup_arg_pages':
fs/exec.c:539: warning: unused variable 'stack_base'

THis fix is pretty revolting.

Cc: Ollie Wild <aaw@google.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/exec.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff -puN fs/exec.c~mm-variable-length-argument-support-fix fs/exec.c
--- a/fs/exec.c~mm-variable-length-argument-support-fix
+++ a/fs/exec.c
@@ -536,11 +536,12 @@ int setup_arg_pages(struct linux_binprm 
 		    int executable_stack)
 {
 	unsigned long ret;
-	unsigned long stack_base, stack_shift;
+	unsigned long stack_shift;
 	struct mm_struct *mm = current->mm;
 	struct vm_area_struct *vma = bprm->vma;
 
 #ifdef CONFIG_STACK_GROWSUP
+	unsigned long stack_base;
 	/* Limit stack size to 1GB */
 	stack_base = current->signal->rlim[RLIMIT_STACK].rlim_max;
 	if (stack_base > (1 << 30))
_