irq_cpu_rmap_release(9)

💖 irq_cpu_rmap_release(9) 💖

okay so bestie, welcome to the Kernel API Manual — this one's a little function from ./lib/cpu_rmap.c and ngl she's small but she matters. 🎀

---

🌸 NAME 🌸

irq_cpu_rmap_release — the reclaiming callback for the IRQ subsystem. yes, "reclaiming callback," she cleans up after everybody else, main character cleanup energy fr fr 💅

---

✨ SYNOPSIS ✨

void irq_cpu_rmap_release (struct kref *ref );

that's it. that's the whole signature. one argument, void return, iconic minimalism 🦋

---

🫶 ARGUMENTS 🫶

• ref — the kref to struct irq_affinity_notify, and it gets passed in by irq/manage.c. so like, that file hands you the ref and you do your thing with it. iykyk 💜

---

💀 SEE ALSO 💀

listen, the whole friend group is here, ok — they all live in the kernel file ./lib/cpu_rmap.c:

• alloc_cpu_rmap(9)
• cpu_rmap_release(9)
• cpu_rmap_get(9)
• cpu_rmap_put(9)
• cpu_rmap_add(9)
• cpu_rmap_update(9)
• free_irq_cpu_rmap(9)
• irq_cpu_rmap_notify(9)
• irq_cpu_rmap_remove(9)
• irq_cpu_rmap_add(9)

go read them all, no cap, they're the rest of the saga 🌈

---

and that's the whole page bestie, short and sweet, just like she is 🍓

kisses from ./lib, dated October 2026, brought to you by the Kernel API Manual, volume irq_cpu_rmap_release(9) — slay, bye 💖✨🧚