linux-kernel - [PATCH TRIVIAL] mm: Fix build warning in kmem_cache

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Date:	Fri, 13 Jul 2012 17:12:05 -0600
From:	Shuah Khan <shuah.khan@...com>
To:	cl@...ux.com, penberg@...nel.org, glommer@...allels.com,
	js1304@...il.com
Cc:	shuahkhan@...il.com, linux-mm@...ck.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH TRIVIAL] mm: Fix build warning in kmem_cache_create()

The label oops is used in CONFIG_DEBUG_VM ifdef block and is defined
outside ifdef CONFIG_DEBUG_VM block. This results in the following
build warning when built with CONFIG_DEBUG_VM disabled. Fix to move 
label oops definition to inside a CONFIG_DEBUG_VM block.

mm/slab_common.c: In function ‘kmem_cache_create’:
mm/slab_common.c:101:1: warning: label ‘oops’ defined but not used
[-Wunused-label]

Signed-off-by: Shuah Khan <shuah.khan@...com>
---
 mm/slab_common.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/slab_common.c b/mm/slab_common.c
index 12637ce..aa3ca5b 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -98,7 +98,9 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size, size_t align
 
 	s = __kmem_cache_create(name, size, align, flags, ctor);
 
+#ifdef CONFIG_DEBUG_VM
 oops:
+#endif
 	mutex_unlock(&slab_mutex);
 	put_online_cpus();
 
-- 
1.7.9.5



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