函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\hugetlb.c Create Date:2022-07-27 16:56:26
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：resv_map_release

函数原型：void resv_map_release(struct kref *ref)

返回类型：void

参数：

类型参数名称
struct kref *ref
679  resv_map等于container_of - cast a member of a structure out to the containing structure*@ptr: the pointer to the member.*@type: the type of the container struct this is embedded in.*@member: the name of the member within the struct.(ref, structresv_map, refs)
680  head等于region_cache
684  Delete the specified range [f, t) from the reserve map. If the* t parameter is LONG_MAX, this indicates that ALL regions after f* should be deleted. Locate the regions which intersect [f, t)* and either trim, delete or split the existing regions.
688  删除链表项
689  释放内存
692  VM_BUG_ON(adds_in_progress)
694  释放内存