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From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Lameter <cl@linux.com>,
	Pekka Enberg <penberg@kernel.org>,
	David Rientjes <rientjes@google.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Vladimir Davydov <vdavydov@parallels.com>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>
Subject: [PATCH v3 9/9] slab: remove BAD_ALIEN_MAGIC
Date: Tue,  1 Jul 2014 17:27:38 +0900	[thread overview]
Message-ID: <1404203258-8923-10-git-send-email-iamjoonsoo.kim@lge.com> (raw)
In-Reply-To: <1404203258-8923-1-git-send-email-iamjoonsoo.kim@lge.com>

BAD_ALIEN_MAGIC value isn't used anymore. So remove it.

Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
---
 mm/slab.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/slab.c b/mm/slab.c
index 7820a45..60c9e11 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -470,8 +470,6 @@ static struct kmem_cache kmem_cache_boot = {
 	.name = "kmem_cache",
 };
 
-#define BAD_ALIEN_MAGIC 0x01020304ul
-
 static DEFINE_PER_CPU(struct delayed_work, slab_reap_work);
 
 static inline struct array_cache *cpu_cache_get(struct kmem_cache *cachep)
@@ -838,7 +836,7 @@ static int transfer_objects(struct array_cache *to,
 static inline struct alien_cache **alloc_alien_cache(int node,
 						int limit, gfp_t gfp)
 {
-	return (struct alien_cache **)BAD_ALIEN_MAGIC;
+	return NULL;
 }
 
 static inline void free_alien_cache(struct alien_cache **ac_ptr)
-- 
1.7.9.5

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      parent reply	other threads:[~2014-07-01  8:22 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-01  8:27 [PATCH v3 0/9] clean-up and remove lockdep annotation in SLAB Joonsoo Kim
2014-07-01  8:27 ` [PATCH v3 1/9] slab: add unlikely macro to help compiler Joonsoo Kim
2014-07-01  8:27 ` [PATCH v3 2/9] slab: move up code to get kmem_cache_node in free_block() Joonsoo Kim
2014-07-01 22:21   ` David Rientjes
2014-07-02  0:39     ` Joonsoo Kim
2014-07-01  8:27 ` [PATCH v3 3/9] slab: defer slab_destroy " Joonsoo Kim
2014-07-01 22:25   ` David Rientjes
2014-07-02  0:44     ` Joonsoo Kim
2014-07-01  8:27 ` [PATCH v3 4/9] slab: factor out initialization of arracy cache Joonsoo Kim
2014-07-01 22:26   ` David Rientjes
2014-07-02  0:46     ` Joonsoo Kim
2014-07-01  8:27 ` [PATCH v3 5/9] slab: introduce alien_cache Joonsoo Kim
2014-07-01 22:15   ` Andrew Morton
2014-07-02  0:48     ` Joonsoo Kim
2014-07-01  8:27 ` [PATCH v3 6/9] slab: use the lock on alien_cache, instead of the lock on array_cache Joonsoo Kim
2014-07-01  8:27 ` [PATCH v3 7/9] slab: destroy a slab without holding any alien cache lock Joonsoo Kim
2014-07-01  8:27 ` [PATCH v3 8/9] slab: remove a useless lockdep annotation Joonsoo Kim
2014-07-01  8:27 ` Joonsoo Kim [this message]

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