atomic_add_return(9)

📦 version 7.3.1, in nixpkgs unstable

✨ atomic_add_return ✨

ok so this is a page from the Kernel API Manual — welcome to atomic_add_return(9), bestie 💅

🌸 NAME 🌸

atomic_add_return — atomic add with full ordering 🔥 (yes, full ordering, she does not do half measures)

🎀 SYNOPSIS 🎀

int atomic_add_return (int i , atomic_t *v );

💖 ARGUMENTS 💖

  • i — the int value to add 🍓
  • v — pointer to an atomic_t 👑

🦋 DESCRIPTION 🦋

okay so what she does: atomically updates v to (v + i) with full ordering ✨. Atomic and fully ordered, the whole package, no cap.

🚨 real talk though — it is unsafe to use in noinstr code; use raw_atomic_add_return there instead. Do not come for me, that's just the rules 🙈

⭐ RETURN ⭐

The updated value of v 💖 (that's the whole point of the _return, iykyk)

🌈 SEE ALSO 🌈

bestie there are SO many siblings, buckle up 🫶 — all of these live in the kernel file ./include/linux/atomic/atomic-instrumented.h

💜 the atomic_ girlies

💙 the atomic64_ squad

🧚 the atomic_long_ crew

ok that's the whole roster, she's got a BIG family, we stan a supportive atomic dynasty 👑💖

and that's a wrap!! this page came from the source/path ./include/linux/atomic and it's dated October 2026 — ty for reading bestie, go be atomic and fully ordered out there 🦋✨🎀

📦 where this page comes from