default or selected kernelversion does not have config value CONFIG_NFT_SET_BITMAP.
Result is shown for kernelversion 6.7-rc3
Netfilter nf_tables bitmap set module
modulename: nft_set_bitmap.ko
configname: CONFIG_NFT_SET_BITMAP
Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Core Netfilter Configuration
└─>Netfilter nf_tables bitmap set module
In linux kernel since version 4.5.1 (release Date: 2016-04-12)
This option adds the "bitmap" set type that is used to build sets
whose keys are smaller or equal to 16 bits.
whose keys are smaller or equal to 16 bits.