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Os 3e0aff42

ASecurity

页表映射 / 内存-页表映射 / OS 虚。用户提到这些词时使用本技能。 场景:对照:OS 虚拟内存——页表映射(VPN→物理帧;present=0 或缺项=缺页)。 【不适用】Not for 以下场景:条件不满足即不适用(负路由:输入不满足生效条件时返回 None/不执行)

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  • Added September 20, 2026
ai-agentsbash

Security analysis

A100/100

Scanned September 20, 2026

npx -y skills add FuRongJun-1999/dsh-memory --skill os-3e0aff42 --agent claude-code

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SKILL.md
---
name: os-3e0aff42
description: >-
  页表映射 / 内存-页表映射 / OS 虚。用户提到这些词时使用本技能。
  场景:对照:OS 虚拟内存——页表映射(VPN→物理帧;present=0 或缺项=缺页)。
  【不适用】Not for 以下场景:条件不满足即不适用(负路由:输入不满足生效条件时返回 None/不执行)
license: MIT
compatibility: >-
  page_table 为 VPN→页表项 映射;vpn 为虚拟页号
allowed-tools: Read Write Bash
metadata:
  version: "1.0"
  skill-author: 灵枢(AEIS)
  last-reviewed: "2026-08-29"
  kccs:
    trigger_words: ["页表映射", "内存-页表映射", "OS 虚"]
    when: "page_table 为 VPN→页表项 映射;vpn 为虚拟页号"
    sub: ["① 查页表项 ② present 位判定 ③ 缺页/命中返回"]
    execute: "无条目或 present≠1 → None(缺页);否则返 frame"
    not_applicable: ["条件不满足即不适用(负路由:输入不满足生效条件时返回 None/不执行)"]
  calibration: "对照:OS 虚拟内存——页表映射(VPN→物理帧;present=0 或缺项=缺页)"
---

# 内存-页表映射(os-3e0aff42)

## When to use

任务「页表映射」;对照:OS 虚拟内存——页表映射(VPN→物理帧;present=0 或缺项=缺页)。

## 克制条款(不适用条件)

条件不满足即不适用(负路由:输入不满足生效条件时返回 None/不执行)

## How to execute

无条目或 present≠1 → None(缺页);否则返 frame

## Verification

- 单元样例 3 条(cases 断言)
- 物理基底:按 calibration 对照(编译/运行/断言裁决)

## References

- 单元库:os_units.py「内存-页表映射」

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