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Memory Management — Operating Systems — LowLevelCraft

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Operating Systems
Memory Management

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Memory Management

How the OS virtualizes physical memory. Implement buddy allocator, slab allocator, page tables, and virtual memory.

~450 Minutes 10 Challenges

buddy allocator implementation

About this subtrack

Memory Management builds buddy/slab style allocators and paging intuition for kernel-shaped systems.

Tasks (10)

Implement Buddy Allocator for Physical Memory Management

Implement Slab Allocator for Fixed-Size Kernel Objects

Build Simple Page Table: Map Virtual to Physical Addresses

Implement mmap Semantics: Map Region and Handle Page Faults

Implement Demand Paging: Allocate on First Access

Implement Copy-on-Write (COW) for fork() Efficiency

Explore Huge Pages: Benchmark 4KB vs 2MB Pages

Understand OOM Killer: Read Linux oom_kill.c Source

Use /proc/self/pagemap to Inspect Your Process Layout

Implement Swapping: Write Pages to Swap File