.
..
boot_params
btf
cgroup
config
debug
fscaps
iommu_groups
irq
kexec_crash_loaded
kexec_crash_size
kexec_loaded
livepatch
mm
notes
oops_count
profiling
rcu_expedited
rcu_normal
reboot
security
slab
software_nodes
sunrpc
tracing
uevent_seqnum
vmcoreinfo
warn_count