函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\resource.c Create Date:2022-07-27 10:04:53
Last Modify:2022-05-22 11:14:39 Copyright©Brick
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函数名称：This generic page_is_ram() returns true if specified address is* registered as System RAM in iomem_resource list.

函数原型：int __weak page_is_ram(unsigned long pfn)

返回类型：int

参数：

类型参数名称
unsigned longpfn
512  返回:This function calls the @func callback against all memory ranges of type* System RAM which are marked as IORESOURCE_SYSTEM_RAM and IORESOUCE_BUSY恒等于1