linux-kernel - [PATCH v2 2/5] mm/slab: Sharing s_next and s

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Date:	Wed,  3 Jul 2013 08:49:50 +0800
From:	Wanpeng Li <liwanp@...ux.vnet.ibm.com>
To:	Pekka Enberg <penberg@...nel.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Matt Mackall <mpm@...enic.com>
Cc:	Glauber Costa <glommer@...allels.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Joonsoo Kim <js1304@...il.com>,
	David Rientjes <rientjes@...gle.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Wanpeng Li <liwanp@...ux.vnet.ibm.com>
Subject: [PATCH v2 2/5] mm/slab: Sharing s_next and s_stop between slab and slub

This patch shares s_next and s_stop between slab and slub.

Signed-off-by: Wanpeng Li <liwanp@...ux.vnet.ibm.com>
---
 mm/slab.c        | 10 ----------
 mm/slab.h        |  3 +++
 mm/slab_common.c |  4 ++--
 3 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/mm/slab.c b/mm/slab.c
index 13f5ecc..bd14ea2 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -4433,16 +4433,6 @@ static int leaks_show(struct seq_file *m, void *p)
 	return 0;
 }
 
-static void *s_next(struct seq_file *m, void *p, loff_t *pos)
-{
-	return seq_list_next(p, &slab_caches, pos);
-}
-
-static void s_stop(struct seq_file *m, void *p)
-{
-	mutex_unlock(&slab_mutex);
-}
-
 static const struct seq_operations slabstats_op = {
 	.start = leaks_start,
 	.next = s_next,
diff --git a/mm/slab.h b/mm/slab.h
index f96b49e..95c8860 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -271,3 +271,6 @@ struct kmem_cache_node {
 #endif
 
 };
+
+void *s_next(struct seq_file *m, void *p, loff_t *pos);
+void s_stop(struct seq_file *m, void *p);
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 2d41450..d161b81 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -531,12 +531,12 @@ static void *s_start(struct seq_file *m, loff_t *pos)
 	return seq_list_start(&slab_caches, *pos);
 }
 
-static void *s_next(struct seq_file *m, void *p, loff_t *pos)
+void *s_next(struct seq_file *m, void *p, loff_t *pos)
 {
 	return seq_list_next(p, &slab_caches, pos);
 }
 
-static void s_stop(struct seq_file *m, void *p)
+void s_stop(struct seq_file *m, void *p)
 {
 	mutex_unlock(&slab_mutex);
 }
-- 
1.8.1.2

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