函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\pipe.c Create Date:2022-07-29 10:34:18
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：too_many_pipe_buffers_hard

函数原型：static bool too_many_pipe_buffers_hard(unsigned long user_bufs)

返回类型：bool

参数：

类型参数名称
unsigned longuser_bufs
753  hard_limit等于READ_ONCE(Maximum allocatable pages per user. Hard limit is unset by default, soft* matches default values.)
755  返回:hard_limit且user_bufs大于hard_limit
调用者
名称描述
alloc_pipe_info
pipe_set_sizeAllocate a new array of pipe buffers and copy the info over. Returns the* pipe size if successful, or return -ERROR on error.