CONFIG_64BIT: 64-bit kernel

General informations

The Linux kernel configuration item CONFIG_64BIT has multiple definitions:

64-bit kernel found in arch/x86/um/Kconfig

The configuration item CONFIG_64BIT:

• prompt: 64-bit kernel
• type: bool
• depends on: (none)
• defined in arch/x86/um/Kconfig
• found in Linux kernels: 3.4–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

(none)

64-bit kernel found in arch/x86/Kconfig

The configuration item CONFIG_64BIT:

• prompt: 64-bit kernel
• type: bool
• depends on: (none)
• defined in arch/x86/Kconfig
• found in Linux kernels: 2.6.24–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Say yes to build a 64-bit kernel - formerly known as x86_64 Say no to build a 32-bit kernel - formerly known as i386

64-bit kernel found in arch/sparc/Kconfig

The configuration item CONFIG_64BIT:

• prompt: 64-bit kernel
• type: bool
• depends on: (none)
• defined in arch/sparc/Kconfig
• found in Linux kernels: 2.6.29–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

SPARC is a family of RISC microprocessors designed and marketed by Sun Microsystems, incorporated. They are very widely found in Sun workstations and clones.

Say yes to build a 64-bit kernel - formerly known as sparc64 Say no to build a 32-bit kernel - formerly known as sparc

64-bit kernel found in arch/parisc/Kconfig

The configuration item CONFIG_64BIT:

• prompt: 64-bit kernel
• type: bool
• depends on: CONFIG_PA8X00
• defined in arch/parisc/Kconfig
• found in Linux kernels: 2.6.12–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Enable this if you want to support 64bit kernel on PA-RISC platform.

At the moment, only people willing to use more than 2GB of RAM, or having a 64bit-only capable PA-RISC machine should say Y here.

Since there is no 64bit userland on PA-RISC, there is no point to enable this option otherwise. The 64bit kernel is significantly bigger and slower than the 32bit one.

64-bit kernel found in arch/mips/Kconfig

The configuration item CONFIG_64BIT:

• prompt: 64-bit kernel
• type: bool
• depends on: CONFIG_CPU_SUPPORTS_64BIT_KERNEL && CONFIG_SYS_SUPPORTS_64BIT_KERNEL
• defined in arch/mips/Kconfig
• found in Linux kernels: 2.6.14–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Select this option if you want to build a 64-bit kernel.

found in arch/s390/Kconfig

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/s390/Kconfig
• found in Linux kernels: 2.6.0–2.6.15, 4.1–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

(none)

found in arch/riscv/Kconfig

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/riscv/Kconfig
• found in Linux kernels: 4.18–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

(none)

found in arch/powerpc/Kconfig

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: CONFIG_PPC64
• defined in arch/powerpc/Kconfig
• found in Linux kernels: 2.6.15–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

(none)

found in arch/loongarch/Kconfig

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/loongarch/Kconfig
• found in Linux kernels: 5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

(none)

found in arch/arm64/Kconfig

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/arm64/Kconfig
• found in Linux kernels: 3.7–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

(none)

found in arch/alpha/Kconfig

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/alpha/Kconfig
• found in Linux kernels: 2.6.0–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

(none)

found in arch/ia64/Kconfig

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/ia64/Kconfig
• found in Linux kernels: 2.6.0–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.6

Help text

(none)

found in arch/parisc/Kconfig

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: CONFIG_PA8X00
• defined in arch/parisc/Kconfig
• found in Linux kernels: 2.6.0–2.6.11, 6.0-rc+HEAD

Help text

(none)

64-bit kernel found in arch/riscv/Kconfig

The configuration item CONFIG_64BIT:

• prompt: 64-bit kernel
• type: bool
• depends on: CONFIG_CPU_SUPPORTS_64BIT_KERNEL
• defined in arch/riscv/Kconfig
• found in Linux kernels: 4.15–4.17

Help text

Select this option to build a 64-bit kernel.

found in arch/tile/Kconfig

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/tile/Kconfig
• found in Linux kernels: 2.6.36–2.6.39, 3.0–3.19, 4.0–4.16

Help text

(none)

64 bit kernel found in arch/s390/Kconfig

The configuration item CONFIG_64BIT:

• prompt: 64 bit kernel
• type: bool
• depends on: (none)
• defined in arch/s390/Kconfig
• found in Linux kernels: 2.6.16–2.6.39, 3.0–3.19, 4.0

Help text

Select this option if you have an IBM z/Architecture machine and want to use the 64 bit addressing mode.

found in arch/x86/um/Kconfig

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/x86/um/Kconfig
• found in Linux kernels: 3.2–3.3

Help text

(none)

found in arch/um/Kconfig.x86

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/um/Kconfig.x86
• found in Linux kernels: 2.6.28–2.6.39, 3.0–3.1

Help text

(none)

found in arch/sparc64/Kconfig

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/sparc64/Kconfig
• found in Linux kernels: 2.6.0–2.6.28

Help text

(none)

found in arch/um/Kconfig.x86_64

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/um/Kconfig.x86_64
• found in Linux kernels: 2.6.14–2.6.27

Help text

(none)

found in arch/um/Kconfig.i386

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/um/Kconfig.i386
• found in Linux kernels: 2.6.14–2.6.27

Help text

(none)

found in arch/x86_64/Kconfig

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/x86_64/Kconfig
• found in Linux kernels: 2.6.0–2.6.23

Help text

(none)

found in arch/ppc64/Kconfig

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/ppc64/Kconfig
• found in Linux kernels: 2.6.0–2.6.14

Help text

(none)

found in arch/um/Kconfig_x86_64

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/um/Kconfig_x86_64
• found in Linux kernels: 2.6.12–2.6.13

Help text

(none)

found in arch/um/Kconfig_i386

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/um/Kconfig_i386
• found in Linux kernels: 2.6.12–2.6.13

Help text

(none)

found in arch/mips/Kconfig

The configuration item CONFIG_64BIT:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/mips/Kconfig
• found in Linux kernels: 2.6.0–2.6.13

Help text

(none)

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The data is retrived from:

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