CONFIG_SLUB_DEBUG_ON: SLUB debugging on by default

General informations

The Linux kernel configuration item CONFIG_SLUB_DEBUG_ON has multiple definitions:

SLUB debugging on by default found in mm/Kconfig.debug

The configuration item CONFIG_SLUB_DEBUG_ON:

• prompt: SLUB debugging on by default
• type: bool
• depends on: CONFIG_SLUB_DEBUG
• defined in mm/Kconfig.debug
• found in Linux kernels: 5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

Boot with debugging on by default. SLUB boots by default with the runtime debug capabilities switched off. Enabling this is equivalent to specifying the "slab_debug" parameter on boot. There is no support for more fine grained debug control like possible with slab_debug=xxx. SLUB debugging may be switched off in a kernel built with SLUB_DEBUG_ON by specifying "slab_debug=-".

SLUB debugging on by default found in lib/Kconfig.debug

The configuration item CONFIG_SLUB_DEBUG_ON:

• prompt: SLUB debugging on by default
• type: bool
• depends on: CONFIG_SLUB && CONFIG_SLUB_DEBUG
• defined in lib/Kconfig.debug
• found in Linux kernels: 2.6.23–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.18, 5.18+HEAD

Help text

Boot with debugging on by default. SLUB boots by default with the runtime debug capabilities switched off. Enabling this is equivalent to specifying the "slub_debug" parameter on boot. There is no support for more fine grained debug control like possible with slub_debug=xxx. SLUB debugging may be switched off in a kernel built with SLUB_DEBUG_ON by specifying "slub_debug=-".

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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