CONFIG_DEBUG_PERF_USE_VMALLOC: Debug: use vmalloc to back perf mmap() buffers

General informations

The Linux kernel configuration item CONFIG_DEBUG_PERF_USE_VMALLOC:

• prompt: Debug: use vmalloc to back perf mmap() buffers
• type: bool
• depends on: CONFIG_PERF_EVENTS && CONFIG_DEBUG_KERNEL && ! CONFIG_PPC
• defined in init/Kconfig
• found in Linux kernels: 2.6.32–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

Use vmalloc memory to back perf mmap() buffers.

Mostly useful for debugging the vmalloc code on platforms that don't require it.

Say N if unsure.

Hardware

LKDDb

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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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