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Virtual memory skill for paging, page tables, and TLB. An agent skill from mohitmishra786/low-level-dev-skills.
MITAuto-check passed
Install Virtual Memory Paging And Tlb
$ npx skills add mohitmishra786/low-level-dev-skills --skill virtual-memory-paging-and-tlb -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install mohitmishra786/low-level-dev-skills virtual-memory-paging-and-tlb --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/mohitmishra786/low-level-dev-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/computer-architecture/virtual-memory-paging-and-tlb .claude/skills/virtual-memory-paging-and-tlb && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "virtual-memory-paging-and-tlb" agent skill from https://github.com/mohitmishra786/low-level-dev-skills/tree/main/skills/computer-architecture/virtual-memory-paging-and-tlb into .claude/skills/virtual-memory-paging-and-tlb/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "virtual-memory-paging-and-tlb", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/mohitmishra786/low-level-dev-skills/tree/main/skills/computer-architecture/virtual-memory-paging-and-tlbType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add mohitmishra786/low-level-dev-skills --skill virtual-memory-paging-and-tlb -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install mohitmishra786/low-level-dev-skills virtual-memory-paging-and-tlb --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mohitmishra786/low-level-dev-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/computer-architecture/virtual-memory-paging-and-tlb .agents/skills/virtual-memory-paging-and-tlb && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "virtual-memory-paging-and-tlb" agent skill from https://github.com/mohitmishra786/low-level-dev-skills/tree/main/skills/computer-architecture/virtual-memory-paging-and-tlb into .agents/skills/virtual-memory-paging-and-tlb/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "virtual-memory-paging-and-tlb", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mohitmishra786/low-level-dev-skills --skill virtual-memory-paging-and-tlb -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install mohitmishra786/low-level-dev-skills virtual-memory-paging-and-tlb --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mohitmishra786/low-level-dev-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/computer-architecture/virtual-memory-paging-and-tlb .cursor/skills/virtual-memory-paging-and-tlb && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "virtual-memory-paging-and-tlb" agent skill from https://github.com/mohitmishra786/low-level-dev-skills/tree/main/skills/computer-architecture/virtual-memory-paging-and-tlb into .cursor/skills/virtual-memory-paging-and-tlb/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "virtual-memory-paging-and-tlb", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/mohitmishra786/low-level-dev-skills.git --path skills/computer-architecture/virtual-memory-paging-and-tlb--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add mohitmishra786/low-level-dev-skills --skill virtual-memory-paging-and-tlb -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install mohitmishra786/low-level-dev-skills virtual-memory-paging-and-tlb --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mohitmishra786/low-level-dev-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/computer-architecture/virtual-memory-paging-and-tlb .gemini/skills/virtual-memory-paging-and-tlb && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "virtual-memory-paging-and-tlb" agent skill from https://github.com/mohitmishra786/low-level-dev-skills/tree/main/skills/computer-architecture/virtual-memory-paging-and-tlb into .gemini/skills/virtual-memory-paging-and-tlb/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "virtual-memory-paging-and-tlb", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install mohitmishra786/low-level-dev-skills virtual-memory-paging-and-tlbInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add mohitmishra786/low-level-dev-skills --skill virtual-memory-paging-and-tlb -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/mohitmishra786/low-level-dev-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/computer-architecture/virtual-memory-paging-and-tlb .github/skills/virtual-memory-paging-and-tlb && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "virtual-memory-paging-and-tlb" agent skill from https://github.com/mohitmishra786/low-level-dev-skills/tree/main/skills/computer-architecture/virtual-memory-paging-and-tlb into .github/skills/virtual-memory-paging-and-tlb/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "virtual-memory-paging-and-tlb", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mohitmishra786/low-level-dev-skills --skill virtual-memory-paging-and-tlb -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install mohitmishra786/low-level-dev-skills virtual-memory-paging-and-tlb --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mohitmishra786/low-level-dev-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/computer-architecture/virtual-memory-paging-and-tlb .opencode/skills/virtual-memory-paging-and-tlb && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "virtual-memory-paging-and-tlb" agent skill from https://github.com/mohitmishra786/low-level-dev-skills/tree/main/skills/computer-architecture/virtual-memory-paging-and-tlb into .opencode/skills/virtual-memory-paging-and-tlb/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "virtual-memory-paging-and-tlb", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
virtual-memory-paging-and-tlb- GitHub stars
- 252
- Token cost
- ~723 tokens
- SKILL.md length
- 249 words
- Files
- 1
- Skills in repo
- 138
- Repo updated
- First seen
- Licence
- MIT
At a glance
Virtual memory skill for paging, page tables, and TLB. An agent skill from mohitmishra786/low-level-dev-skills.
- Works in 7 steps: Translation overview → Page table (x86-64 4-level example) → Page fault types (simplified) → …
- Explaining page faults
- SKILL.md covers Purpose, When to Use, Workflow and Common Problems, plus 1 more section
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Virtual Memory Paging And Tlb is an agent skill from mohitmishra786/low-level-dev-skills. Virtual memory skill for paging, page tables, and TLB. Use when explaining page faults, multi-level page tables, TLB behavior, or virtual vs physical addressing. Activates on queries about virtual memory, page table, TLB, page fault, mmap paging, or x86-64 paging.
Its SKILL.md is about 720 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
The repository describes itself as: A curated suite of AI agent skills for systems and low-level programming with C/C++, Rust, and Zig toolchains, covering compilers, debuggers, profilers, build systems…. The licence is MIT.
When your agent uses it
- Explaining page faults
- Multi-level page tables
- Virtual vs physical addressing
Example prompts
- “/virtual-memory-paging-and-tlb”
Workflow steps
7 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit bdc5847. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are bash).
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Virtual Memory Paging And Tlb loads about 723 tokens when it runs. Until then it costs about 74 tokens; SKILL.md has 249 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from mohitmishra786/low-level-dev-skills at commit bdc5847, republished under its MIT licence (© mohitmishra786). 249 words, ~723 tokens.
Download SKILL.mdSave it as
.claude/skills/virtual-memory-paging-and-tlb/SKILL.md (or your agent's skills folder).- name
- virtual-memory-paging-and-tlb
- description
- Virtual memory skill for paging, page tables, and TLB. Use when explaining page faults, multi-level page tables, TLB behavior, or virtual vs physical addressing. Activates on queries about virtual memory, page table, TLB, page fault, mmap paging, or x86-64 paging.
Virtual Memory, Paging, and TLB
Purpose
Explain virtual memory: paging, multi-level page tables, TLB role, page faults, and address translation — bridging OS kernels, embedded MPU, and performance analysis.
When to Use
- Understanding
mmap,brk, and demand paging - Debugging segfaults and guard pages
- Huge pages / TLB pressure tuning
- Contrasting Cortex-M MPU with full MMU systems
Workflow
1. Translation overview
Virtual address (VA)
├── TLB lookup → physical on hit
└── TLB miss → page table walk → fill TLB
├── valid PTE → physical address
└── invalid → page fault (OS handles)2. Page table (x86-64 4-level example)
CR3 → PML4 → PDPT → PD → PT → physical frameLinux on x86_64 uses 4 KiB pages (default) and optional 2 MiB / 1 GiB huge pages.
3. Page fault types (simplified)
| Fault | Typical cause |
|---|---|
| Major | Disk read — file-backed page not in RAM |
| Minor | Zero-fill or COW break |
| Protection | User access to kernel page, W^X violation |
# Linux page fault stats
grep pgfault /proc/vmstat4. TLB pressure
Large sparse address spaces + random pointer chasing → TLB misses dominate.
Mitigations:
mmaphuge pages (MAP_HUGETLB,madvise(MADV_HUGEPAGE))- Smaller working set / better locality
numactl --membindfor NUMA
5. Embedded contrast (Cortex-M)
Many MCUs use MPU (region-based) not full paging — no TLB, fixed region count. Application processors use MMU + OS.
See skills/platform/riscv-privileged for Sv39/Sv48.
6. Userspace inspection (Linux)
cat /proc/self/maps
pmap -x $$7. Agent usage
/virtual-memory-paging-and-tlb Explain why 4 KiB random access hurts TLB and hugepage helpsCommon Problems
| Symptom | Cause | Fix |
|---|---|---|
| Segfault | Unmapped VA | Fix pointer; check maps |
| Slow mmap workload | TLB thrashing | Huge pages; reduce regions |
| COW spike after fork | Shared pages split on write | Expected; consider MAP_POPULATE |
| W^X fault | JIT without mprotect dance | Separate RW and RX mappings |
| Wrong phys on MCU | No MMU — linear map | Use linker script addresses |
Related Skills
skills/computer-architecture/memory-hierarchy-and-caches— cache after translationskills/kernel-dev/kernel-memory-management— kernel page allocatorskills/kernel/os-dev-scratch— build paging from scratchskills/platform/riscv-privileged— Sv39 page tablesskills/allocators/numa-programming— NUMA and migration
© mohitmishra786, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in skills/computer-architecture/virtual-memory-paging-and-tlb of mohitmishra786/low-level-dev-skills.
Open the folder on GitHubat commit bdc5847
Compare with similar skills
Virtual Memory Paging And Tlb next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Virtual Memory Paging And Tlb this skillmohitmishra786/low-level-dev-skills | 252 | — | ~723 | Automated safety check: Pass | MIT | |
| About Pagethedaviddias/Front-End-Checklist | 74k | — | ~435 | Automated safety check: Pass | MIT | |
| Pagesuperset-sh/superset | 15k | — | ~6.1k | Automated safety check: Pass | Custom licence | |
| Cap Table Explainermohitagw15856/pm-claude-skills | 1.4k | — | ~818 | Automated safety check: Pass | MIT | |
| Docs Pagenexu-io/open-design | 100k | — | ~748 | Automated safety check: Pass | Apache-2.0 | |
| Pagesasgeirtj/system_prompts_leaks | 69k | — | ~2.7k | Automated safety check: Pass | CC0-1.0 |
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Questions about Virtual Memory Paging And Tlb
What does Virtual Memory Paging And Tlb do?
Virtual memory skill for paging, page tables, and TLB. An agent skill from mohitmishra786/low-level-dev-skills. Virtual Memory Paging And Tlb is an agent skill from mohitmishra786/low-level-dev-skills. Virtual memory skill for paging, page tables, and TLB.
When should I use Virtual Memory Paging And Tlb?
Virtual Memory Paging And Tlb fits situations like: explaining page faults; multi-level page tables; virtual vs physical addressing.
How do I install Virtual Memory Paging And Tlb in Claude Code?
Run `npx skills add mohitmishra786/low-level-dev-skills --skill virtual-memory-paging-and-tlb -a claude-code`. Or copy the skill folder (skills/computer-architecture/virtual-memory-paging-and-tlb in mohitmishra786/low-level-dev-skills) into .claude/skills/virtual-memory-paging-and-tlb in your project. Claude Code loads it when a task matches its description.
How do I install Virtual Memory Paging And Tlb in Codex?
Run `npx skills add mohitmishra786/low-level-dev-skills --skill virtual-memory-paging-and-tlb -a codex`. Or copy the skill folder (skills/computer-architecture/virtual-memory-paging-and-tlb in mohitmishra786/low-level-dev-skills) into .agents/skills/virtual-memory-paging-and-tlb in your project. Codex loads it when a task matches its description.
Can I use Virtual Memory Paging And Tlb in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add mohitmishra786/low-level-dev-skills --skill virtual-memory-paging-and-tlb -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/virtual-memory-paging-and-tlb, .gemini/skills/virtual-memory-paging-and-tlb, .github/skills/virtual-memory-paging-and-tlb and .opencode/skills/virtual-memory-paging-and-tlb in your project.
What does Virtual Memory Paging And Tlb need to run?
SKILL.md names no scripts, command-line tools or credentials: Virtual Memory Paging And Tlb is instructions for the agent only.
Does Virtual Memory Paging And Tlb access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Virtual Memory Paging And Tlb safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Virtual Memory Paging And Tlb use?
Virtual Memory Paging And Tlb is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Virtual Memory Paging And Tlb use?
About 723 tokens (SKILL.md is roughly 2.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Virtual Memory Paging And Tlb?
Skills that share tags, products or a category with Virtual Memory Paging And Tlb: About Page (thedaviddias/Front-End-Checklist, 74k stars), Page (superset-sh/superset, 15k stars), Cap Table Explainer (mohitagw15856/pm-claude-skills, 1.4k stars) and Docs Page (nexu-io/open-design, 100k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Virtual Memory Paging And Tlb?
mohitmishra786 (a GitHub user) maintains it in mohitmishra786/low-level-dev-skills, which has 252 GitHub stars. The repository holds 138 skills in this directory. The repository was last updated on June 27, 2026.
Source: mohitmishra786/low-level-dev-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.