Virtual Address Space — 2 Technical Articles

Jan 16, 2023 · Mobile Development

How to Extend iOS App Virtual Address Space and Boost Memory Limits

This article explores iOS memory optimization by enabling the 'com.apple.developer.kernel.extended-virtual-addressing' entitlement to expand virtual address space and the 'com.apple.developer.kernel.increased-memory-limit' entitlement to raise memory caps, detailing implementation steps, kernel analysis, test results, and practical implications for app stability.

KernelVirtual Address Spaceentitlements

0 likes · 11 min read

How to Extend iOS App Virtual Address Space and Boost Memory Limits

Liangxu Linux

Feb 19, 2022 · Fundamentals

How Linux Manages User and Kernel Memory: A Deep Dive into mm_struct and Virtual Address Layout

This article explains the complete memory layout of a Linux process, detailing user‑space structures like mm_struct and vm_area_struct, the role of TASK_SIZE, how ELF binaries are loaded, the sys_brk implementation, and the differences between 32‑bit and 64‑bit kernel virtual address spaces.

Virtual Address Spacememory managementmm_struct

0 likes · 21 min read

How Linux Manages User and Kernel Memory: A Deep Dive into mm_struct and Virtual Address Layout