file: port to struct kmem_cache_args

Port filp_cache 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>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>

diff --git a/fs/file_table.c b/fs/file_table.c
index 3ef558f27a1cd3ae35250860e9128d198f5c4d4f..861c03608e8328a9616d6bcd4fc49441c4ffa77d 100644 (file)
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -511,9 +511,14 @@ EXPORT_SYMBOL(__fput_sync);
 
 void __init files_init(void)
 {
-       filp_cachep = kmem_cache_create_rcu("filp", sizeof(struct file),
-                               offsetof(struct file, f_freeptr),
-                               SLAB_HWCACHE_ALIGN | SLAB_PANIC | SLAB_ACCOUNT);
+       struct kmem_cache_args args = {
+               .use_freeptr_offset = true,
+               .freeptr_offset = offsetof(struct file, f_freeptr),
+       };
+
+       filp_cachep = kmem_cache_create("filp", sizeof(struct file), &args,
+                               SLAB_HWCACHE_ALIGN | SLAB_PANIC |
+                               SLAB_ACCOUNT | SLAB_TYPESAFE_BY_RCU);
        percpu_counter_init(&nr_files, 0, GFP_KERNEL);
 }