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@kylinos.cn>
Link: https://lore.kernel.org/r/20240116091137.92375-1-chentao@kylinos.cn
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

diff --git a/fs/buffer.c b/fs/buffer.c
index dcafee512089a290d00993a023350b09bcfebb2f..b55dea034a5d8336994989266c36cf1ec7883cd0 100644 (file)
--- 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
         */