cpu_cache_fns
cpuidle_ops
outer_cache_fns
cpu_user_fns
psci_operations
smp_operations
cpu_pm_ops
omap_hwmod_soc_ops
smp_ops_t
machine_ops
smp_ops
x86_init_ops
x86_cpuinit_ops
x86_platform_ops
x86_msi_ops
x86_io_apic_ops
cryptd_blkcipher_request_ctx
cryptd_aead_request_ctx
od_ops
amd_decoder_ops
kernel_queue_ops
bit_table
af9033_ops
dib_fe_xfer_ops
dib7000p_ops
dib8000_ops
xpc_interface
l2t_skb_cb
ath10k_htc_ops
ath10k_htc_ep_ops
ath_hw_private_ops
ath_hw_ops
bfa_itn_s
bfa_ioc_cbfn_s
bfa_ioc_hwif_s
fbtft_ops
ldlm_callback_suite
md_ops
hal_ops
_io_ops
visorchipset_busdev_notifiers
visorchipset_busdev_responders
via_clock
drm_encoder_helper_funcs
ttm_mem_shrink
cleancache_ops
cipher_tfm
compress_tfm
softirq_action
gpd_dev_ops
rchan_callbacks
rio_ops
renesas_usbhs_driver_callback
cfctrl_rsp
iw_cm_verbs
snd_compr_ops
lane2_ops
rtnl_link
tipc_nl_compat_cmd_dump
tipc_nl_compat_cmd_doit

Sometimes not const:

fw_card_driver
dm_space_map
v4l2_ioctl_info
xpc_arch_operations
drm_info_list
clk_ops
global_attr
cpuidle_state
device_attribute
efivar_operations
fb_ops
file_operations
sensor_device_attribute
sensor_device_attribute_2
i2c_algorithm
irq_chip
irq_chip
kobj_attribute
vm_operations_struct
module_attribute
net_device_ops
notifier_block
hotplug_slot_ops
dev_pm_domain
user_regset
seq_operations
ctl_table
attribute
attribute_group
bin_attribute
libfc_function_template
fc_function_template