From: Christoph Lameter <cl@linux.com>
Date: Tue, 15 Mar 2011 17:45:21 +0000 (-0500)
Subject: slub: Dont define useless label in the !CONFIG_CMPXCHG_LOCAL case
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a24c5a0ea902bcda348f086bd909cc2d6e305bf8;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

slub: Dont define useless label in the !CONFIG_CMPXCHG_LOCAL case

The redo label needs #ifdeffery. Fixes the following problem introduced by
commit 8a5ec0ba42c4 ("Lockless (and preemptless) fastpaths for slub"):

  mm/slub.c: In function 'slab_free':
  mm/slub.c:2124: warning: label 'redo' defined but not used

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
---

diff --git a/mm/slub.c b/mm/slub.c
index 65030c7fd7e2..f32aee37840b 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2073,9 +2073,11 @@ static __always_inline void slab_free(struct kmem_cache *s,
 
 #ifndef CONFIG_CMPXCHG_LOCAL
 	local_irq_save(flags);
-#endif
 
+#else
 redo:
+#endif
+
 	/*
 	 * Determine the currently cpus per cpu slab.
 	 * The cpu may change afterward. However that does not matter since