> cat /proc/slabinfo
slabinfo - version: 2.1
# name            <active_objs> <num_objs> <objsize> <objperslab> <pagesperslab> ...
ext4_inode_cache         49392      49392      1016           16              4
ext4_free_data             128        128        64           64              1
ext4_xattr                  92         92        88           46              1
blkdev_requests            273        273       376           21              2
blkdev_queue                30         30      2080           15              8
vm_area_struct            3520       3520       184           22              1
task_struct                160        160      1952           16              8
inode_cache              11899      11928       568           14              2
dentry                  401373     401373       192           21              1
...