CONFIG_SLAB:

General informations

The Linux kernel configuration item CONFIG_SLAB has multiple definitions:

found in mm/Kconfig

The configuration item CONFIG_SLAB:

• prompt:
• type: bool
• depends on: CONFIG_SLAB_DEPRECATED
• defined in mm/Kconfig
• found in Linux kernels: 6.5–6.7

Help text

(none)

SLAB found in mm/Kconfig

The configuration item CONFIG_SLAB:

• prompt: SLAB
• type: bool
• depends on: ! CONFIG_PREEMPT_RT
• defined in mm/Kconfig
• found in Linux kernels: 5.19, 6.0–6.4

Help text

The regular slab allocator that is established and known to work well in all environments. It organizes cache hot objects in per cpu and per node queues.

SLAB found in init/Kconfig

The configuration item CONFIG_SLAB:

• prompt: SLAB
• type: bool
• depends on: ! CONFIG_PREEMPT_RT
• defined in init/Kconfig
• found in Linux kernels: 2.6.22–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.18, 5.18+HEAD

Help text

The regular slab allocator that is established and known to work well in all environments. It organizes cache hot objects in per cpu and per node queues.

Use full SLAB allocator found in init/Kconfig

The configuration item CONFIG_SLAB:

• prompt: Use full SLAB allocator
• type: bool
• depends on: ( CONFIG_EMBEDDED && ! CONFIG_SMP && ! CONFIG_SPARSEMEM )
• defined in init/Kconfig
• found in Linux kernels: 2.6.16–2.6.21

Help text

Disabling this replaces the advanced SLAB allocator and kmalloc support with the drastically simpler SLOB allocator. SLOB is more space efficient but does not scale well and is more susceptible to fragmentation.

Hardware

LKDDb

Raw data from LKDDb:

• (none)

Sources

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

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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