CONFIG_COMEDI_DEFAULT_BUF_MAXSIZE_KB: Comedi default maximum asynchronous buffer size in KiB

General informations

The Linux kernel configuration item CONFIG_COMEDI_DEFAULT_BUF_MAXSIZE_KB has multiple definitions:

Comedi default maximum asynchronous buffer size in KiB found in drivers/comedi/Kconfig

The configuration item CONFIG_COMEDI_DEFAULT_BUF_MAXSIZE_KB:

• prompt: Comedi default maximum asynchronous buffer size in KiB
• type: int
• depends on: (none)
• defined in drivers/comedi/Kconfig
• found in Linux kernels: 5.13–5.19, 6.0–6.13, 6.14-rc+HEAD

Help text

This is the default maximum asynchronous buffer size which can be requested by a userspace program without root privileges. This is set to 20480 KiB so that a fast I/O card with 16 channels running at 100 kHz has 2-4 seconds of buffer.

Comedi default maximum asynchronous buffer size in KiB found in drivers/staging/comedi/Kconfig

The configuration item CONFIG_COMEDI_DEFAULT_BUF_MAXSIZE_KB:

• prompt: Comedi default maximum asynchronous buffer size in KiB
• type: int
• depends on: (none)
• defined in drivers/staging/comedi/Kconfig
• found in Linux kernels: 3.5–3.19, 4.0–4.20, 5.0–5.12

Help text

This is the default maximum asynchronous buffer size which can be requested by a userspace program without root privileges. This is set to 20480 KiB so that a fast I/O card with 16 channels running at 100 kHz has 2-4 seconds of buffer.

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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