CONFIG_PCPU_DEV_REFCNT: Use percpu variables to maintain network device refcount

General informations

The Linux kernel configuration item CONFIG_PCPU_DEV_REFCNT:

• prompt: Use percpu variables to maintain network device refcount
• type: bool
• depends on: CONFIG_SMP
• defined in net/Kconfig
• found in Linux kernels: 5.13–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

network device refcount are using per cpu variables if this option is set. This can be forced to N to detect underflows (with a performance drop).

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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