percpu_ref_get_many(9)

✨ percpu_ref_get_many(9) ✨

hiii bestie 💖 welcome to the Kernel API Manual page for percpu_ref_get_many(9) — we're doing refcounts today and honestly it's giving main-character energy 🎀

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🌸 NAME 🌸

percpu_ref_get_many — increment a percpu refcount, no cap 💅

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🦋 SYNOPSIS 🦋

void percpu_ref_get_many (struct percpu_ref *ref , unsigned long nr );

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🎀 ARGUMENTS 🎀

• ref — the percpu_ref you're getting, bestie 🫶
• nr — number of references to get ✨

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💜 DESCRIPTION 💜

okay so this function is analogous to atomic_long_add — literally that vibe 🔥

And here's the safety tea ☕: this function is safe to call as long as ref is between init and exit. That's the whole rule, periodt 💅

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🌈 SEE ALSO 🌈

The kernel file ./include/linux/percpu-refcount.h is the home base 🏠 and the whole squad is:

• percpu_ref_kill(9)
• percpu_ref_get(9)
• percpu_ref_tryget_many(9)
• percpu_ref_tryget(9)
• percpu_ref_tryget_live_rcu(9)
• percpu_ref_tryget_live(9)
• percpu_ref_put_many(9)
• percpu_ref_put(9)
• percpu_ref_is_dying(9)

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mwah 💋 this has been percpu_ref_get_many(9) signing off with source/version ./include/linux, dated October 2026 — slay and stay safe out there, bestie 🧚💖