CONFIG_GPIOLIB_FASTPATH_LIMIT: Maximum number of GPIOs for fast path

General informations

The Linux kernel configuration item CONFIG_GPIOLIB_FASTPATH_LIMIT:

• prompt: Maximum number of GPIOs for fast path
• type: int
• depends on: (none)
• defined in drivers/gpio/Kconfig
• found in Linux kernels: 4.18–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

This adjusts the point at which certain APIs will switch from using a stack allocated buffer to a dynamically allocated buffer.

You shouldn't need to change this unless you really need to optimize either stack space or performance. Change this carefully since setting an incorrect value could cause stack corruption.

Hardware

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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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