percpu_ref_tryget_live_rcu(9)

💖 percpu_ref_tryget_live_rcu(9) — Kernel API Manual 💖

🌸 NAME 🌸

percpu_ref_tryget_live_rcu — okay so bestie, this is literally the same as percpu_ref_tryget_live() but the caller is responsible for taking RCU. Yes, that means you. 💅

✨ SYNOPSIS ✨

bool percpu_ref_tryget_live_rcu (struct percpu_ref *ref );

🎀 ARGUMENTS 🎀

• ref — the percpu_ref to try-get. That’s the whole assignment, no cap. 🫶

🦋 DESCRIPTION 🦋

This function is safe to call as long as ref is between init and exit. That’s the vibe check, bestie — stay inside that window and you’re good. ✨

🔥 SEE ALSO 🔥

Kernel file ./include/linux/percpu-refcount.h — go read it, iykyk 👑

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

xoxo, signing off from ./include/linux with the October 2026 edition of percpu_ref_tryget_live_rcu(9). 💖🌿