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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


      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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