cdev_alloc(9)

okay bestie, welcome to the <cdev_alloc(9)> page from the Kernel API Manual — it’s a tiny one, but it’s giving “small but important” energy. Let’s get into it. 💅

🎀 NAME 🎀

cdev_alloc — allocate a cdev structure

✨ SYNOPSIS ✨

struct cdev * cdev_alloc (void );

🌸 ARGUMENTS 🌸

• void — no arguments. Literally zero. Not a single little argument to pass, bestie.

🦋 DESCRIPTION 🦋

This function allocates and returns a cdev structure, or NULL on failure. That’s the whole plot. No cap. 😭

💖 SEE ALSO 💖

Kernel file <./fs/char_dev.c> says hi, and these are the besties to check out too:

• register_chrdev_region(9)
• alloc_chrdev_region(9)
• __register_chrdev(9)
• unregister_chrdev_region(9)
• __unregister_chrdev(9)
• cdev_add(9)
• cdev_set_parent(9)
• cdev_device_add(9)
• cdev_device_del(9)
• cdev_del(9)
• cdev_init(9)

Sign-off time, bestie: this page comes from the <./fs> source/version and is dated <October 2026>, and yes, the manual is <cdev_alloc(9)> 💖✨