函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\page_alloc.c Create Date:2022-07-27 16:37:22
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：If zone is ZONE_MOVABLE but memory is mirrored, it is an overlapped init

函数原型：static bool __meminit overlap_memmap_init(unsigned long zone, unsigned long *pfn)

返回类型：bool

参数：

类型参数名称
unsigned longzone
unsigned long *pfn
5848  返回:false
调用者
名称描述
memmap_init_zoneInitially all pages are reserved - free ones are freed* up by memblock_free_all() once the early boot process is* done. Non-atomic initialization, single-pass.