函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\kexec_core.c Create Date:2022-07-27 12:04:29
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：crash_get_memory_size

函数原型：size_t crash_get_memory_size(void)

返回类型：size_t

参数：无

988  size等于0
990  mutex_lock( & kexec_mutex)
991  如果end不等于start则size等于resource_size( & Location of the reserved area for the crash kernel )
993  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.
994  返回:size
调用者
名称描述
kexec_crash_size_show