CONFIG_DEBUG_SLAB: Debug slab memory allocations

General informations

The Linux kernel configuration item CONFIG_DEBUG_SLAB has multiple definitions:

Debug slab memory allocations found in mm/Kconfig.debug

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug slab memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL && CONFIG_SLAB
• defined in mm/Kconfig.debug
• found in Linux kernels: 5.19, 6.0–6.7

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory. This can make kmalloc/kfree-intensive workloads much slower.

Debug slab memory allocations found in lib/Kconfig.debug

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug slab memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL && CONFIG_SLAB
• defined in lib/Kconfig.debug
• found in Linux kernels: 2.6.17–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.18, 5.18+HEAD

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory. This can make kmalloc/kfree-intensive workloads much slower.

Debug memory allocations found in lib/Kconfig.debug

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL && CONFIG_SLAB
• defined in lib/Kconfig.debug
• found in Linux kernels: 2.6.9–2.6.16

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory. This can make kmalloc/kfree-intensive workloads much slower.

Debug memory allocations found in arch/frv/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/frv/Kconfig
• found in Linux kernels: 2.6.11

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Debug memory allocations found in arch/m32r/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/m32r/Kconfig
• found in Linux kernels: 2.6.9

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Debug memory allocations found in arch/x86_64/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/x86_64/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Debug memory allocations found in arch/um/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: (none)
• defined in arch/um/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

(none)

Debug memory allocations found in arch/sparc64/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/sparc64/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Debug memory allocations found in arch/sparc/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/sparc/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Debug memory allocations found in arch/s390/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/s390/Kconfig
• found in Linux kernels: 2.5.51–2.5.75, 2.6.0–2.6.8

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Debug memory allocations found in arch/ppc64/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/ppc64/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Debug memory allocations found in arch/ppc/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/ppc/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

(none)

Debug memory allocations found in arch/parisc/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/parisc/Kconfig
• found in Linux kernels: 2.5.46–2.5.75, 2.6.0–2.6.8

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Debug memory allocations found in arch/mips/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/mips/Kconfig
• found in Linux kernels: 2.6.6–2.6.8

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Debug memory allocations found in arch/m68k/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/m68k/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

(none)

Debug memory allocations found in arch/ia64/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/ia64/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Debug memory allocations found in arch/i386/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/i386/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Debug memory allocations found in arch/arm26/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/arm26/Kconfig
• found in Linux kernels: 2.5.71–2.5.75, 2.6.0–2.6.8

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Debug memory allocations found in arch/arm/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/arm/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Debug memory allocations found in arch/alpha/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/alpha/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Debug memory allocations found in arch/s390x/Kconfig

The configuration item CONFIG_DEBUG_SLAB:

• prompt: Debug memory allocations
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/s390x/Kconfig
• found in Linux kernels: 2.5.51–2.5.67

Help text

Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed memory.

Hardware

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This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

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• Linux Kernel Driver DataBase (LKDDb)

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