From fdaa45e95d2ef59a140d2fb2e487141f83f5a07c Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 15 Sep 2009 11:00:26 +0200
Subject: slub: Fix build error in kmem_cache_open() with !CONFIG_SLUB_DEBUG

This build bug:

 mm/slub.c: In function 'kmem_cache_open':
 mm/slub.c:2476: error: 'disable_higher_order_debug' undeclared (first use in this function)
 mm/slub.c:2476: error: (Each undeclared identifier is reported only once
 mm/slub.c:2476: error: for each function it appears in.)

Triggers because there's no !CONFIG_SLUB_DEBUG definition for
disable_higher_order_debug.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>

diff --git a/mm/slub.c b/mm/slub.c
index a5789b9..0a216aa 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1071,6 +1071,8 @@ static inline unsigned long kmem_cache_flags(unsigned long objsize,
 }
 #define slub_debug 0
 
+#define disable_higher_order_debug 0
+
 static inline unsigned long slabs_node(struct kmem_cache *s, int node)
 							{ return 0; }
 static inline unsigned long node_nr_slabs(struct kmem_cache_node *n)
-- 
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