linux-kernel - [PATCH] buffer: Use KMEM_CACHE instead of kmem_cache

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Date: Tue, 16 Jan 2024 17:11:37 +0800
From: Kunwu Chan <chentao@...inos.cn>
To: viro@...iv.linux.org.uk,
	brauner@...nel.org,
	jack@...e.cz
Cc: linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Kunwu Chan <chentao@...inos.cn>
Subject: [PATCH] buffer: Use KMEM_CACHE instead of kmem_cache_create()

Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
to simplify the creation of SLAB caches.

Signed-off-by: Kunwu Chan <chentao@...inos.cn>
---
 fs/buffer.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index d3bcf601d3e5..9c8156cce9b7 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3121,12 +3121,8 @@ void __init buffer_init(void)
 	unsigned long nrpages;
 	int ret;
 
-	bh_cachep = kmem_cache_create("buffer_head",
-			sizeof(struct buffer_head), 0,
-				(SLAB_RECLAIM_ACCOUNT|SLAB_PANIC|
-				SLAB_MEM_SPREAD),
-				NULL);
-
+	bh_cachep = KMEM_CACHE(buffer_head,
+				SLAB_RECLAIM_ACCOUNT|SLAB_PANIC|SLAB_MEM_SPREAD);
 	/*
 	 * Limit the bh occupancy to 10% of ZONE_NORMAL
 	 */
-- 
2.39.2