linux-kernel - [PATCH] block: Simplify the allocation of slab caches

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Message-Id: <20240131094323.146659-1-chentao@kylinos.cn>
Date: Wed, 31 Jan 2024 17:43:23 +0800
From: Kunwu Chan <chentao@...inos.cn>
To: axboe@...nel.dk
Cc: linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Kunwu Chan <chentao@...inos.cn>
Subject: [PATCH] block: Simplify the allocation of slab caches

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>
---
 block/blk-core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index f28859b4a3ef..6898d2e6e3c4 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1224,8 +1224,7 @@ int __init blk_dev_init(void)
 	if (!kblockd_workqueue)
 		panic("Failed to create kblockd\n");
 
-	blk_requestq_cachep = kmem_cache_create("request_queue",
-			sizeof(struct request_queue), 0, SLAB_PANIC, NULL);
+	blk_requestq_cachep = KMEM_CACHE(request_queue, SLAB_PANIC);
 
 	blk_debugfs_root = debugfs_create_dir("block", NULL);
 
-- 
2.39.2