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| author | Xiubo Li <xiubli@redhat.com> | 2022-02-15 15:23:14 +0300 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2022-03-01 20:26:37 +0300 |
| commit | ab58a5a1c0487b67f7409f39d3c8593d416d4e7f (patch) | |
| tree | 5f31cd00559f75dc0fc46dc6ffcc7fe84c248e4b /include/linux/ceph | |
| parent | 6ddf5f165f13ab623d04aee2a473d35818255199 (diff) | |
| download | linux-ab58a5a1c0487b67f7409f39d3c8593d416d4e7f.tar.xz | |
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 'include/linux/ceph')
| -rw-r--r-- | include/linux/ceph/libceph.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h index edf62eaa6285..00af2c98da75 100644 --- a/include/linux/ceph/libceph.h +++ b/include/linux/ceph/libceph.h @@ -284,6 +284,7 @@ DEFINE_RB_LOOKUP_FUNC(name, type, keyfld, nodefld) extern struct kmem_cache *ceph_inode_cachep; extern struct kmem_cache *ceph_cap_cachep; +extern struct kmem_cache *ceph_cap_snap_cachep; extern struct kmem_cache *ceph_cap_flush_cachep; extern struct kmem_cache *ceph_dentry_cachep; extern struct kmem_cache *ceph_file_cachep; |