函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\rcu\tree.c Create Date:2022-07-27 11:27:09
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Spawn per-CPU RCU core processing kthreads.

函数原型：static int __init rcu_spawn_core_kthreads(void)

返回类型：int

参数：无

2518  遍历可用CPU(cpu)
2519  per_cpu(rcu_cpu_has_work, cpu)等于0
2520  如果非IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',* 0 otherwise.(CONFIG_RCU_BOOST)且By default, use RCU_SOFTIRQ instead of rcuc kthreads. 则返回:0
2522  WARN_ONCE(smpboot_register_percpu_thread - Register a per_cpu thread related* to hotplug*@plug_thread: Hotplug thread descriptor* Creates and starts the threads on all online cpus., "%s: Could not start rcuc kthread, OOM is now expected behavior\n", __func__)
2524  返回:0