CONFIG_64BIT is not available for the selected architecture x86.
Result is shown for architecture s390

CONFIG_64BIT (not configurable)

modulename: scall64-n64.ko

and/or

ioremap64.ko

and/or

sys_parisc32.ko

and/or

perf.ko

configname: CONFIG_64BIT

Linux Kernel Configuration
└─>Processor type and features
└─>64BIT
In linux kernel since version 2.6.12 )
source code:
arch/mips/kernel/
is selected by
CONFIG_MIPS32_O32
CONFIG_MIPS32_N32
CONFIG_ERRATA_THEAD_MAE
CONFIG_CRYPTO_AES_RISCV64
CONFIG_CRYPTO_GHASH_RISCV64
CONFIG_CRYPTO_SM3_RISCV64
CONFIG_CRYPTO_SM4_RISCV64
CONFIG_X86_32
CONFIG_X86_64
CONFIG_CRYPTO_BLOWFISH_X86_64
CONFIG_CRYPTO_CAMELLIA_X86_64
CONFIG_CRYPTO_CAMELLIA_AESNI_AVX_X86_64
CONFIG_CRYPTO_CAMELLIA_AESNI_AVX2_X86_64
CONFIG_CRYPTO_CAST5_AVX_X86_64
CONFIG_CRYPTO_CAST6_AVX_X86_64
CONFIG_CRYPTO_DES3_EDE_X86_64
CONFIG_CRYPTO_SERPENT_SSE2_X86_64
CONFIG_CRYPTO_SERPENT_SSE2_586
CONFIG_CRYPTO_SERPENT_AVX_X86_64
CONFIG_CRYPTO_SERPENT_AVX2_X86_64
CONFIG_CRYPTO_SM4_AESNI_AVX_X86_64
CONFIG_CRYPTO_SM4_AESNI_AVX2_X86_64
CONFIG_CRYPTO_TWOFISH_586
CONFIG_CRYPTO_TWOFISH_X86_64
CONFIG_CRYPTO_TWOFISH_X86_64_3WAY
CONFIG_CRYPTO_TWOFISH_AVX_X86_64
CONFIG_CRYPTO_ARIA_AESNI_AVX_X86_64
CONFIG_CRYPTO_ARIA_AESNI_AVX2_X86_64
CONFIG_CRYPTO_ARIA_GFNI_AVX512_X86_64
CONFIG_CRYPTO_AEGIS128_AESNI_SSE2
CONFIG_CRYPTO_NHPOLY1305_SSE2
CONFIG_CRYPTO_NHPOLY1305_AVX2
CONFIG_CRYPTO_POLYVAL_CLMUL_NI
CONFIG_CRYPTO_SM3_AVX_X86_64
CONFIG_CRYPTO_GHASH_CLMUL_NI_INTEL
CONFIG_CRYPTO_GHASH_CLMUL_NI_INTEL
CONFIG_CAVIUM_CPT
CONFIG_CRYPTO_DEV_NITROX_CNN55XX
CONFIG_CRYPTO_DEV_OCTEONTX_CPT
CONFIG_CRYPTO_DEV_OCTEONTX2_CPT
CONFIG_CRYPTO_DEV_HISI_SEC2
CONFIG_CRYPTO_DEV_HISI_ZIP
CONFIG_CRYPTO_DEV_HISI_HPRE
CONFIG_PCI_P2PDMA
CONFIG_STARFIVE_STARLINK_CACHE
CONFIG_EFI_CAPSULE_QUIRK_QUARK_CSH
CONFIG_GENWQE
CONFIG_DM_VDO
CONFIG_PDS_CORE
CONFIG_THUNDER_NIC_PF
CONFIG_THUNDER_NIC_BGX
CONFIG_THUNDER_NIC_RGX
CONFIG_LIQUIDIO
CONFIG_LIQUIDIO_VF
CONFIG_FTMAC100
CONFIG_FTGMAC100
CONFIG_HNS3_ENET
CONFIG_HINIC3
CONFIG_MVNETA_BM
CONFIG_OCTEONTX2_AF
CONFIG_OCTEONTX2_PF
CONFIG_IONIC
CONFIG_MDIO_OCTEON
CONFIG_MDIO_THUNDER
CONFIG_I2C_THUNDERX
CONFIG_PINCTRL_RZT2H
CONFIG_GPIO_THUNDERX
CONFIG_GPIO_MLXBF
CONFIG_GPIO_MLXBF2
CONFIG_MARVELL_GTI_WDT
CONFIG_SGI_MFD_IOC3
CONFIG_NOVA_CORE
CONFIG_HSA_AMD
CONFIG_HSA_AMD
CONFIG_DRM_NOVA
CONFIG_DRM_I915_GVT_KVMGT
CONFIG_DRM_POWERVR
CONFIG_INFINIBAND_QEDR
CONFIG_RDMA_RXE
CONFIG_HISI_ACC_VFIO_PCI
CONFIG_NVGRACE_GPU_VFIO_PCI
CONFIG_CLK_THEAD_TH1520_AP
CONFIG_RISCV_IOMMU
CONFIG_ADMV8818
CONFIG_MEMORY_HOTPLUG
CONFIG_DEFERRED_STRUCT_PAGE_INIT
CONFIG_TCP_AO
CONFIG_BAYCOM_EPP
CONFIG_ARM_APPLE_SOC_CPUFREQ