函数逻辑报告

函数名称：g_buffer_read_prepare - Prepare for a non consuming read of the buffer*@buffer: The ring buffer to read from*@cpu: The cpu buffer to iterate over*@flags: gfp flags to use for memory allocation* This performs the initial preparations necessary to iterate

函数原型：struct ring_buffer_iter *ring_buffer_read_prepare(struct ring_buffer *buffer, int cpu, gfp_t flags)

返回类型：struct ring_buffer_iter

参数：