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| author | Xiubo Li <xiubli@redhat.com> | 2022-02-15 20:23:14 +0800 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2022-03-01 18:26:37 +0100 |
| commit | ab58a5a1c0487b67f7409f39d3c8593d416d4e7f (patch) | |
| tree | 5f31cd00559f75dc0fc46dc6ffcc7fe84c248e4b /fs/ceph/super.h | |
| parent | 6ddf5f165f13ab623d04aee2a473d35818255199 (diff) | |
| download | linux-ab58a5a1c0487b67f7409f39d3c8593d416d4e7f.tar.gz linux-ab58a5a1c0487b67f7409f39d3c8593d416d4e7f.tar.bz2 linux-ab58a5a1c0487b67f7409f39d3c8593d416d4e7f.zip | |
ceph: move to a dedicated slabcache for ceph_cap_snap
There could be huge number of capsnaps around at any given time. On
x86_64 the structure is 248 bytes, which will be rounded up to 256 bytes
by kzalloc. Move this to a dedicated slabcache to save 8 bytes for each.
[ jlayton: use kmem_cache_zalloc ]
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/super.h')
| -rw-r--r-- | fs/ceph/super.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 4569f802ddbb..a2caa7beca4f 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -230,7 +230,7 @@ static inline void ceph_put_cap_snap(struct ceph_cap_snap *capsnap) if (refcount_dec_and_test(&capsnap->nref)) { if (capsnap->xattr_blob) ceph_buffer_put(capsnap->xattr_blob); - kfree(capsnap); + kmem_cache_free(ceph_cap_snap_cachep, capsnap); } } |