CONFIG_CMA_DEBUG: CMA debug messages (DEVELOPMENT)

General informations

The Linux kernel configuration item CONFIG_CMA_DEBUG has multiple definitions:

CMA debug messages (DEVELOPMENT) found in mm/Kconfig

The configuration item CONFIG_CMA_DEBUG:

• prompt: CMA debug messages (DEVELOPMENT)
• type: bool
• depends on: CONFIG_DEBUG_KERNEL && CONFIG_CMA
• defined in mm/Kconfig
• found in Linux kernels: 3.12–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8

Help text

Turns on debug messages in CMA. This produces KERN_DEBUG messages for every CMA call as well as various messages while processing calls such as dma_alloc_from_contiguous(). This option does not affect warning and error messages.

CMA debug messages (DEVELOPMENT) found in drivers/base/Kconfig

The configuration item CONFIG_CMA_DEBUG:

• prompt: CMA debug messages (DEVELOPMENT)
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in drivers/base/Kconfig
• found in Linux kernels: 3.5–3.11

Help text

Turns on debug messages in CMA. This produces KERN_DEBUG messages for every CMA call as well as various messages while processing calls such as dma_alloc_from_contiguous(). This option does not affect warning and error messages.

Hardware

LKDDb

Raw data from 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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