module_init(9)

💖 module_init(9) 💖

okay so bestie, welcome to the Kernel API Manual corner where your driver gets its very first main-character moment ✨ This page is literally about the init entry point, and it's giving “hello, kernel, I have arrived” 💅

🌸 NAME 🌸

module_init — driver initialization entry point 🫶

🎀 SYNOPSIS 🎀

module_init (x );

✨ ARGUMENTS ✨

• x — the function that gets run at kernel boot time or when the module is inserted. That's the whole vibe check: you hand it a function, and it's the init function. ✅

🦋 DESCRIPTION 🦋

So here's the tea, fr fr: if your code is builtin, module_init gets called during do_initcalls. If it's a module, it gets called at module insertion time. Lowkey iconic how it switches it up like that 😭

bestie, important: there can only be one per module. periodt. Not two, not a little extra one for luck. One. 💀

🌈 SEE ALSO 🌈

• Kernel file ./include/linux/module.h
• module_exit(9)
• struct klp_modinfo(9)
• try_module_get(9)
• module_put(9)

mwah 💋 this module_init(9) page comes from the ./include/linux source/version and is dated October 2026 — slay, go init something responsibly 🫶✨