函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\ring_buffer.c Create Date:2022-07-27 12:58:37
Last Modify:2020-03-17 19:30:04 Copyright©Brick
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函数名称：_head_page_activate - sets up head page

函数原型：static void rb_head_page_activate(struct ring_buffer_per_cpu *cpu_buffer)

返回类型：void

参数：

类型参数名称
struct ring_buffer_per_cpu *cpu_buffer
916  head等于ad from head
917  如果非head则返回
923  _set_list_to_head - set a list_head to be pointing to head.
调用者
名称描述
rb_check_pages_check_pages - integrity check of buffer pages*@cpu_buffer: CPU buffer with pages to test* As a safety measure we check to make sure the data pages have not* been corrupted.
rb_allocate_cpu_buffer
rb_reset_cpu