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authorChristian Brauner <brauner@kernel.org>2024-09-05 10:57:00 +0300
committerVlastimil Babka <vbabka@suse.cz>2024-09-10 12:42:59 +0300
commita6711d1cd4e291f334ae900065e18f585732acfa (patch)
tree6ffc6260dc0d970ce7d8eafdcef4533852fd05ec /io_uring
parent781aee755638dbb6dbfe022bdd2f732621ec9534 (diff)
downloadlinux-a6711d1cd4e291f334ae900065e18f585732acfa.tar.xz
io_uring: port to struct kmem_cache_args
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> Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'io_uring')
-rw-r--r--io_uring/io_uring.c14
1 files changed, 8 insertions, 6 deletions
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);