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From:   Lianjie Zhang <zhanglianjie@uniontech.com>
To:     Christoph Lameter <cl@linux.com>
Cc:     Pekka Enberg <penberg@kernel.org>,
        David Rientjes <rientjes@google.com>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Vlastimil Babka <vbabka@suse.cz>,
        Roman Gushchin <roman.gushchin@linux.dev>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org,
        Lianjie Zhang <zhanglianjie@uniontech.com>
Subject: [PATCH] mm/slub: helper macro __ATTR_XX to make code more clear
Date:   Sun,  6 Mar 2022 15:38:18 +0800
Message-Id: <20220306073818.15089-1-zhanglianjie@uniontech.com>
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Signed-off-by: Lianjie Zhang <zhanglianjie@uniontech.com>

diff --git a/mm/slub.c b/mm/slub.c
index 07cdd999c3fe..59992de7d3db 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -5358,12 +5358,10 @@ struct slab_attribute {
 };

 #define SLAB_ATTR_RO(_name) \
-	static struct slab_attribute _name##_attr = \
-	__ATTR(_name, 0400, _name##_show, NULL)
+	static struct slab_attribute _name##_attr = __ATTR_RO_MODE(_name, 0400)

 #define SLAB_ATTR(_name) \
-	static struct slab_attribute _name##_attr =  \
-	__ATTR(_name, 0600, _name##_show, _name##_store)
+	static struct slab_attribute _name##_attr = __ATTR_RW_MODE(_name, 0600)

 static ssize_t slab_size_show(struct kmem_cache *s, char *buf)
 {
--
2.20.1