From: Christian Brauner <brauner@kernel.org>
To: Vlastimil Babka <vbabka@suse.cz>, Jens Axboe <axboe@kernel.dk>,
Jann Horn <jannh@google.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Mike Rapoport <rppt@kernel.org>
Cc: Kees Cook <kees@kernel.org>, Christoph Lameter <cl@linux.com>,
Pekka Enberg <penberg@kernel.org>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Andrew Morton <akpm@linux-foundation.org>,
Roman Gushchin <roman.gushchin@linux.dev>,
Hyeonggon Yoo <42.hyeyoo@gmail.com>,
linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
Christian Brauner <brauner@kernel.org>
Subject: [PATCH v3 17/17] io_uring: port to struct kmem_cache_args
Date: Wed, 04 Sep 2024 12:21:22 +0200 [thread overview]
Message-ID: <20240904-work-kmem_cache_args-v3-17-05db2179a8c2@kernel.org> (raw)
In-Reply-To: <20240904-work-kmem_cache_args-v3-0-05db2179a8c2@kernel.org>
Port req_cachep to struct kmem_cache_args.
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 --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);
--
2.45.2
prev parent reply other threads:[~2024-09-04 10:22 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-04 10:21 [PATCH v3 00/17] slab: add struct kmem_cache_args Christian Brauner
2024-09-04 10:21 ` [PATCH v3 01/17] slab: s/__kmem_cache_create/do_kmem_cache_create/g Christian Brauner
2024-09-04 10:21 ` [PATCH v3 02/17] slab: add struct kmem_cache_args Christian Brauner
2024-09-04 10:21 ` [PATCH v3 03/17] slab: port kmem_cache_create() to " Christian Brauner
2024-09-04 10:21 ` [PATCH v3 04/17] slab: port kmem_cache_create_rcu() " Christian Brauner
2024-09-04 10:21 ` [PATCH v3 05/17] slab: port kmem_cache_create_usercopy() " Christian Brauner
2024-09-04 10:21 ` [PATCH v3 06/17] slab: pass struct kmem_cache_args to create_cache() Christian Brauner
2024-09-04 10:21 ` [PATCH v3 07/17] slab: pull kmem_cache_open() into do_kmem_cache_create() Christian Brauner
2024-09-04 10:21 ` [PATCH v3 08/17] slab: pass struct kmem_cache_args to do_kmem_cache_create() Christian Brauner
2024-09-04 10:21 ` [PATCH v3 09/17] slab: remove rcu_freeptr_offset from struct kmem_cache Christian Brauner
2024-09-04 10:21 ` [PATCH v3 10/17] slab: port KMEM_CACHE() to struct kmem_cache_args Christian Brauner
2024-09-04 10:21 ` [PATCH v3 11/17] slab: port KMEM_CACHE_USERCOPY() " Christian Brauner
2024-09-04 10:21 ` [PATCH v3 12/17] slab: create kmem_cache_create() compatibility layer Christian Brauner
2024-09-04 10:21 ` [PATCH v3 13/17] file: port to struct kmem_cache_args Christian Brauner
2024-09-04 10:21 ` [PATCH v3 14/17] slab: remove kmem_cache_create_rcu() Christian Brauner
2024-09-04 10:21 ` [PATCH v3 15/17] slab: make kmem_cache_create_usercopy() static inline Christian Brauner
2024-09-04 10:21 ` [PATCH v3 16/17] slab: make __kmem_cache_create() " Christian Brauner
2024-09-04 10:21 ` Christian Brauner [this message]
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