io_uring: Simplify the allocation of slab caches
authorKunwu Chan <chentao@kylinos.cn>
Tue, 30 Jan 2024 10:02:47 +0000 (18:02 +0800)
committerJens Axboe <axboe@kernel.dk>
Thu, 8 Feb 2024 20:27:06 +0000 (13:27 -0700)
commit 0a31bd5f2bbb ("KMEM_CACHE(): simplify slab cache creation")
introduces a new macro.
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/20240130100247.81460-1-chentao@kylinos.cn
Signed-off-by: Jens Axboe <axboe@kernel.dk>
io_uring/io_uring.c

index f1e3646c727c1e206bdbb556068f966cf9de4f9f..72b9c1c1a24411b588a520fbf0abd1a9325fc26e 100644 (file)
@@ -4176,9 +4176,8 @@ static int __init io_uring_init(void)
                                SLAB_ACCOUNT | SLAB_TYPESAFE_BY_RCU,
                                offsetof(struct io_kiocb, cmd.data),
                                sizeof_field(struct io_kiocb, cmd.data), NULL);
-       io_buf_cachep = kmem_cache_create("io_buffer", sizeof(struct io_buffer), 0,
-                                         SLAB_HWCACHE_ALIGN | SLAB_PANIC | SLAB_ACCOUNT,
-                                         NULL);
+       io_buf_cachep = KMEM_CACHE(io_buffer,
+                                         SLAB_HWCACHE_ALIGN | SLAB_PANIC | SLAB_ACCOUNT);
 
 #ifdef CONFIG_SYSCTL
        register_sysctl_init("kernel", kernel_io_uring_disabled_table);