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CONFIG_RCU_FANOUT_EXACT: Disable tree-based hierarchical RCU auto-balancing

General informations

The Linux kernel configuration item CONFIG_RCU_FANOUT_EXACT:

Help text

This option forces use of the exact RCU_FANOUT value specified, regardless of imbalances in the hierarchy. This is useful for testing RCU itself, and might one day be useful on systems with strong NUMA behavior.

Without RCU_FANOUT_EXACT, the code will balance the hierarchy.

Say N if unsure.

Hardware

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