diff mbox series

[v4,17/17] io_uring: port to struct kmem_cache_args

Message ID 20240905-work-kmem_cache_args-v4-17-ed45d5380679@kernel.org (mailing list archive)
State New
Headers show
Series slab: add struct kmem_cache_args | expand

Commit Message

Christian Brauner Sept. 5, 2024, 7:57 a.m. UTC 
Port req_cachep to struct kmem_cache_args.

Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
---
 io_uring/io_uring.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 3942db160f18..d9d721d1424e 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -3638,6 +3638,11 @@  SYSCALL_DEFINE2(io_uring_setup, u32, entries,
 
 static int __init io_uring_init(void)
 {
+	struct kmem_cache_args kmem_args = {
+		.useroffset = offsetof(struct io_kiocb, cmd.data),
+		.usersize = sizeof_field(struct io_kiocb, cmd.data),
+	};
+
 #define __BUILD_BUG_VERIFY_OFFSET_SIZE(stype, eoffset, esize, ename) do { \
 	BUILD_BUG_ON(offsetof(stype, ename) != eoffset); \
 	BUILD_BUG_ON(sizeof_field(stype, ename) != esize); \
@@ -3722,12 +3727,9 @@  static int __init io_uring_init(void)
 	 * range, and HARDENED_USERCOPY will complain if we haven't
 	 * correctly annotated this range.
 	 */
-	req_cachep = kmem_cache_create_usercopy("io_kiocb",
-				sizeof(struct io_kiocb), 0,
-				SLAB_HWCACHE_ALIGN | SLAB_PANIC |
-				SLAB_ACCOUNT | SLAB_TYPESAFE_BY_RCU,
-				offsetof(struct io_kiocb, cmd.data),
-				sizeof_field(struct io_kiocb, cmd.data), NULL);
+	req_cachep = kmem_cache_create("io_kiocb", sizeof(struct io_kiocb), &kmem_args,
+				SLAB_HWCACHE_ALIGN | SLAB_PANIC | SLAB_ACCOUNT |
+				SLAB_TYPESAFE_BY_RCU);
 	io_buf_cachep = KMEM_CACHE(io_buffer,
 					  SLAB_HWCACHE_ALIGN | SLAB_PANIC | SLAB_ACCOUNT);