raw_atomic_long_dec(9)

📦 version 7.3.1, in nixpkgs unstable

🌸 raw_atomic_long_dec(9) — Kernel API Manual 🌸

okay bestie, welcome to the raw_atomic_long_dec(9) page 💅 this is a Linux kernel API manual entry, and it's short, it's sweet, and it does exactly one thing. let's get into it ✨

💖 NAME 💖

raw_atomic_long_dec — atomic decrement with relaxed ordering

like, it decrements. atomically. with relaxed ordering. that's the whole vibe check 🎀

⭐ SYNOPSIS ⭐

void raw_atomic_long_dec (atomic_long_t *v );
ngl that's it. that's the function. no cap 🫶

🦋 ARGUMENTS 🦋

  • v — pointer to atomic_long_t 🔥 that's the thing getting decremented, bestie. point at it, and it goes down by one.

🌈 DESCRIPTION 🌈

so here's the tea ☕ this function atomically updates v to (v - 1) with relaxed ordering. literally v - 1. in one atomic swoop. the way that it just... does the subtraction and nothing else is honestly iconic 💅

and the relaxed part? that's the ordering, and relaxed is exactly what it says on the tin — that's the memory ordering you're signing up for here, no add-ons, no extras.

Safe to use in noinstr code; prefer atomic_long_dec elsewhere. 🫶 so like — inside noinstr code? yes, this one's fine, slay. everywhere else? bestie, go use atomic_long_dec instead, fr fr.

✨ RETURN ✨

Nothing. literally nothing. it's void. don't go looking for a return value, there isn't one 🙈

👑 SEE ALSO 👑

the whole atomic-long extended universe is below 👇 every single sibling is invited to the function party 🎀

and that's the page, bestie 🧚💜 mwah.

kisses from the kernel docs — this one lives at ./include/linux/atomic, dated October 2026, and it's page raw_atomic_long_dec(9) forever and always 🍓✨ periodt.

📦 where this page comes from