函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\zsmalloc.c Create Date:2022-07-27 18:01:54
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：location_to_obj - get obj value encoded from (<page>, <obj_idx>)*@page: page object resides in zspage*@obj_idx: object index

函数原型：static unsigned long location_to_obj(struct page *page, unsigned int obj_idx)

返回类型：unsigned long

参数：

类型参数名称
struct page *page
unsigned intobj_idx
863  obj等于page_to_pfn(page)左移OBJ_INDEX_BITS位
864  obj或等于obj_idx按位与OBJ_INDEX_MASK
865  obj左移等于OBJ_TAG_BITS位
867  返回:obj
调用者
名称描述
obj_malloc