kobject_init_and_add(9)

📦 version 7.3.1, in nixpkgs unstable

💖 kobject_init_and_add — kernel API manual, section 9, bestie 💖

okay so real talk: this is a kernel API manual page for kobject_init_and_add(9), and honestly? she's iconic. she does two jobs at once and doesn't even complain about it. let's get into it 🫶

✨ NAME ✨

kobject_init_and_add — initialize a kobject structure and add it to the kobject hierarchy. two tasks, one function call, main character energy fr fr 👑

🌸 SYNOPSIS 🌸

int kobject_init_and_add (struct kobject *kobj , const struct kobj_type
*ktype , struct kobject *parent , const char *fmt , ... );

yes the line break in the signature is exactly like that, don't @ me, copy it verbatim 💅

🎀 ARGUMENTS 🎀

  • kobj — pointer to the kobject you're gonna initialize. this is the little guy getting set up 🐣
  • ktype — pointer to the ktype for this kobject. it's basically the kobject's personality/vibe blueprint ✨
  • parent — pointer to the parent of this kobject. family tree matters, bestie 🌳
  • fmt — the name of the kobject. this is the name, in format-string form 🏷️
  • ... — variable arguments. the lil extras that feed the format string 🙈

🦋 DESCRIPTION 🦋

so what she actually does: this function combines the call to kobject_init and kobject_add. like, two-for-one. combo deal. the way she just merged them together? obsessed 💖

⚠️ important, do NOT skip this part: if this function returns an error, kobject_put must be called to properly clean up the memory associated with the object. not "should", not "maybe", must — the memory will not clean itself up and you will simply be leaking 😭

and this is the same type of error handling you do after a call to kobject_add, and the kobject lifetime rules are the exact same here too. no special cases, no plot twists, periodt 💀

🌈 SEE ALSO 🌈

kernel file ./lib/kobject.c — and the whole friend group 👯‍♀️:

🧚 and that's the whole page, bestie. you ate that. go forth and initialize responsibly 🍓

sign-off time: this cutie lives in the source ./lib, and she's dated October 2026 — future icon behavior honestly ⭐👑💜

📦 where this page comes from