CONFIG_RCU_LAZY: RCU callback lazy invocation functionality

General informations

The Linux kernel configuration item CONFIG_RCU_LAZY:

• prompt: RCU callback lazy invocation functionality
• type: bool
• depends on: CONFIG_RCU_NOCB_CPU
• defined in kernel/rcu/Kconfig
• found in Linux kernels: 6.2–6.12, 6.13-rc+HEAD

Help text

To save power, batch RCU callbacks and flush after delay, memory pressure, or callback list growing too big.

Requires rcu_nocbs=all to be set.

Use rcutree.enable_rcu_lazy=0 to turn it off at boot time.

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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