CONFIG_ARCH_SPARSEMEM_ENABLE: Sparse Memory Support

General informations

The Linux kernel configuration item CONFIG_ARCH_SPARSEMEM_ENABLE has multiple definitions:

Sparse Memory Support found in arch/alpha/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt: Sparse Memory Support
• type: bool
• depends on: (none)
• defined in arch/alpha/Kconfig
• found in Linux kernels: 5.11–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Say Y to support efficient handling of discontiguous physical memory, for systems that have huge holes in the physical address space.

found in arch/x86/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: CONFIG_X86_64 || CONFIG_NUMA || CONFIG_X86_32 || CONFIG_X86_32_NON_STANDARD
• 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

(none)

found in arch/sparc/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: CONFIG_SPARC64
• 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

(none)

found in arch/sh/mm/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/sh/mm/Kconfig
• found in Linux kernels: 2.6.23–2.6.39, 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/s390/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/s390/Kconfig
• found in Linux kernels: 2.6.26–2.6.39, 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/riscv/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: CONFIG_MMU
• defined in arch/riscv/Kconfig
• found in Linux kernels: 5.4–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

(none)

found in arch/powerpc/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• 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/parisc/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: CONFIG_64BIT
• defined in arch/parisc/Kconfig
• found in Linux kernels: 5.2–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

(none)

found in arch/mips/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/mips/Kconfig
• found in Linux kernels: 2.6.18–2.6.39, 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_ARCH_SPARSEMEM_ENABLE:

• 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

Say Y to support efficient handling of sparse physical memory, for architectures which are either NUMA (Non-Uniform Memory Access) or have huge holes in the physical address space for other reasons. See Documentation/mm/numa.rst for more.

found in arch/arm64/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• 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/arm/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/arm/Kconfig
• found in Linux kernels: 2.6.26–2.6.39, 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_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/ia64/Kconfig
• found in Linux kernels: 2.6.15–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.6

Help text

(none)

found in arch/metag/mm/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/metag/mm/Kconfig
• found in Linux kernels: 3.9–3.19, 4.0–4.16

Help text

(none)

found in arch/avr32/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/avr32/Kconfig
• found in Linux kernels: 2.6.19–2.6.39, 3.0–3.19, 4.0–4.11

Help text

(none)

found in arch/mips/cavium-octeon/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/mips/cavium-octeon/Kconfig
• found in Linux kernels: 2.6.29–2.6.39, 3.0–3.4

Help text

(none)

found in arch/sparc64/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/sparc64/Kconfig
• found in Linux kernels: 2.6.17–2.6.28

Help text

(none)

found in arch/x86_64/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: ( CONFIG_NUMA || CONFIG_EXPERIMENTAL )
• defined in arch/x86_64/Kconfig
• found in Linux kernels: 2.6.13–2.6.23

Help text

(none)

found in arch/i386/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: ( CONFIG_NUMA || ( CONFIG_X86_PC && CONFIG_EXPERIMENTAL ))
• defined in arch/i386/Kconfig
• found in Linux kernels: 2.6.13–2.6.23

Help text

(none)

found in arch/ppc64/Kconfig

The configuration item CONFIG_ARCH_SPARSEMEM_ENABLE:

• prompt:
• type: bool
• depends on: CONFIG_ARCH_DISCONTIGMEM_ENABLE
• defined in arch/ppc64/Kconfig
• found in Linux kernels: 2.6.13–2.6.14

Help text

(none)

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