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 11:26:17
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Clean up any old requests for the just-ended grace period. Also return* whether any additional grace periods have been requested.

函数原型：static bool rcu_future_gp_cleanup(struct rcu_node *rnp)

返回类型：bool

参数：

类型参数名称
struct rcu_node *rnp
1231  rdp等于this_cpu_ptr( & rcu_data)
1233  needmore等于ULONG_CMP_LT(Track rsp->rcu_gp_seq. , Track furthest future GP request. )
1234  如果非needmore则Track furthest future GP request. 等于Track rsp->rcu_gp_seq.
1236  Trace-event wrapper function for trace_rcu_future_grace_period.
1238  返回:needmore
调用者
名称描述
rcu_gp_cleanupClean up after the old grace period.