@@ -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);