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Amit Joshi's blogs
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Linux Kernel Memory Allocation Engine with a Control Plane / Data Plane Architecture
5d ago · 7 min read · Building a Linux Kernel Memory Allocation Engine with a Control Plane / Data Plane Architecture Introduction Most Linux kernel module tutorials demonstrate a simple memory allocation example using kma
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Scatter/Gather I/O in Linux: A Deep Dive into `readv()` and `writev()`
Apr 12 · 6 min read · Scatter/Gather I/O in Linux: A Deep Dive into readv() and writev() Efficient data transfer is a cornerstone of high-performance systems programming. Linux provides powerful mechanisms to optimize inpu
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Building a Driver-Grade Kernel Data Interface
Jan 12 · 3 min read · Linux Kernel Sysfs: Driver-Grade Data Management Example Overview Linux kernel sysfs is often introduced using trivial module parameters or static variables.This project goes beyond that baseline and demonstrates a driver-grade sysfs design built aro...
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Linux Kernel Module for Memory and Per-Process RSS via /proc
Jan 12 · 4 min read · Building a Linux Kernel Module for Memory and Per-Process RSS via /proc User-space utilities such as top, htop, and free present a polished view of system memory usage, but they abstract away substantial kernel-level mechanics. To understand how Linu...
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