diff options
| author | Christian Brauner <brauner@kernel.org> | 2024-08-28 12:56:25 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2024-08-29 15:20:33 +0200 |
| commit | ea566e18b4deea6e998088de4f1a76d1f39c8d3f (patch) | |
| tree | 303fc2b39b85f01582497fcb2f8a2c38bb24063b /fs | |
| parent | d345bd2e9834e2da505977e154a1c179c793b7b2 (diff) | |
fs: use kmem_cache_create_rcu()
Switch to the new kmem_cache_create_rcu() helper which allows us to use
a custom free pointer offset avoiding the need to have an external free
pointer which would grow struct file behind our backs.
Link: https://lore.kernel.org/r/20240828-work-kmem_cache-rcu-v3-3-5460bc1f09f6@kernel.org
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/file_table.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/file_table.c b/fs/file_table.c index fdf98709dde2..3ef558f27a1c 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -511,9 +511,9 @@ EXPORT_SYMBOL(__fput_sync); void __init files_init(void) { - filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0, - SLAB_TYPESAFE_BY_RCU | SLAB_HWCACHE_ALIGN | - SLAB_PANIC | SLAB_ACCOUNT, NULL); + filp_cachep = kmem_cache_create_rcu("filp", sizeof(struct file), + offsetof(struct file, f_freeptr), + SLAB_HWCACHE_ALIGN | SLAB_PANIC | SLAB_ACCOUNT); percpu_counter_init(&nr_files, 0, GFP_KERNEL); } |