start_poll_...pedited_full(9)

✨ start_poll_synchronize_rcu_expedited_full ✨

okay so this is a page from the Kernel API Manual, and bestie, the function name is genuinely a whole paragraph — start_poll_synchronize_rcu_expedited_full — but it's actually not that deep, i promise 💖

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🌸 NAME 🌸

start_poll_synchronize_rcu_expedited_full — take a full snapshot and start an expedited grace period. that's it, that's the whole vibe ✨

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🦋 SYNOPSIS 🦋

void start_poll_synchronize_rcu_expedited_full(struct rcu_gp_seq *gsp);

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🎀 ARGUMENTS 🎀

• gsp — the spot where you want the snapshot of the grace-period state to land 🫶 like, hand it a place, it'll fill it in.

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💅 DESCRIPTION 💅

so what it does: it places both the normal and the expedited grace-period states into gsp. two states, one pointer, no cap 🫶

that state value is then yours to pass along to a later call to cond_synchronize_rcu_full or poll_state_synchronize_rcu_full, and those will tell you whether or not a grace period — whether normal or expedited — has elapsed in the meantime. literally a vibe check for grace periods ⭐

and if the expedited grace period you need isn't already slated to start? it initiates that grace period for you. main character energy, it just gets it going 💅🔥

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🌈 SEE ALSO 🌈

• Kernel file ./kernel/rcu/tree_exp.h
• synchronize_rcu_expedited(9)
• start_poll_synchronize_rcu_expedited(9)
• cond_synchronize_rcu_expedited(9)
• cond_synchronize_rcu_expedited_full(9)

iykyk 💜

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ngl, the "full" at the end is doing a lot of heavy lifting here — it's the one that grabs both grace-period states, not just the expedited one. don't @ me 🙈

and that's the page, bestie 🎀 this lil gem lives in ./kernel/rcu and was dated October 2026 — same title on both ends, iconic of it honestly 👑✨💖