irq_create_affinity_masks(9)

💅 irq_create_affinity_masks(9)

okay so bestie, welcome to the Kernel API Manual ✨ this one's a little function from the kernel's irq world and honestly? she's a baddie whose whole job is spreading things out so nothing gets too crowded. let's get into it 🫶

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🌸 NAME 🌸

irq_create_affinity_masks — Create affinity masks for multiqueue spreading 💅

like literally the name says it all: affinity masks, made by her, for multiqueue spreading. main character energy fr.

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✨ SYNOPSIS ✨

struct irq_affinity_desc * irq_create_affinity_masks (unsigned int nvecs
, struct irq_affinity *affd );

she takes two things and hands you back a struct irq_affinity_desc * (or doesn't 👀 more on that below).

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🎀 ARGUMENTS 🎀

• nvecs — The total number of vectors 🔢 like, the whole count, the full squad, the entire lineup.
• affd — Description of the affinity requirements 🦋 this is where you spell out exactly what kind of affinity situation you're in, and she'll respect it.

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💖 DESCRIPTION 💖

Returns the irq_affinity_desc pointer — or NULL if allocation failed 😭 that's it, that's the whole description, no cap. if it can't allocate, you get NULL and that's your vibe check failing. periodt.

ngl, if you see NULL come back, that's the allocation-failed scenario. don't ignore her 🙈

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🌈 SEE ALSO 🌈

• Kernel file ./kernel/irq/affinity.c — literally where she lives, go read the source bestie iykyk 📂
• irq_calc_affinity_vectors(9) — her bestie, the vector-calculating one 🤝

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💀 reminder that irq_calc_affinity_vectors(9) and the file ./kernel/irq/affinity.c are the actual documented references here — go be nosy, it's giving research 🧚

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and that's the whole page, bestie! 🎀 this was the Kernel API Manual entry for irq_create_affinity_masks(9), coming at you from ./kernel/irq, dated October 2026 — slay, go forth and spread those queues evenly 💜✨