From 146732ce104ddfed3d4d82722c0b336074016b92 Mon Sep 17 00:00:00 2001
From: Josh Triplett <josh@joshtriplett.org>
Date: Mon, 29 Apr 2013 15:07:22 -0700
Subject: fs: don't compile in drop_caches.c when CONFIG_SYSCTL=n

drop_caches.c provides code only invokable via sysctl, so don't compile it
in when CONFIG_SYSCTL=n.

Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 kernel/sysctl.c | 1 -
 1 file changed, 1 deletion(-)

(limited to 'kernel')

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index afc1dc60f3f8..3dadde52253c 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -106,7 +106,6 @@ extern unsigned int core_pipe_limit;
 #endif
 extern int pid_max;
 extern int pid_max_min, pid_max_max;
-extern int sysctl_drop_caches;
 extern int percpu_pagelist_fraction;
 extern int compat_log;
 extern int latencytop_enabled;
-- 
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