synchronize_srcu_expedited(9)

💅 synchronize_srcu_expedited — NAME ✨

ok so bestie, synchronize_srcu_expedited is literally the brute-force SRCU grace period function. that's the whole vibe. no cap. 🎀

(this is a Kernel API Manual page btw, in case you were wondering where you were 🦋)

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🌸 SYNOPSIS 🌸

void synchronize_srcu_expedited (struct srcu_struct *ssp );

that's it. that's the function. one arg, zero return, maximum energy. 🔥

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🫶 ARGUMENTS 🫶

• ssp — the srcu_struct you wanna synchronize with. that's your girl. that's who you're waiting on. 💖

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👑 DESCRIPTION 👑

okay so here's the tea: you call this and you wait for an SRCU grace period to elapse — but like, aggressively. the way it works is it's way more into spinning rather than blocking while it waits. it's giving impatient main character energy, but make it correct. 💅✨

⚠️ real talk though — synchronize_srcu_expedited has the same deadlock and memory-ordering properties as synchronize_srcu does. same. identical. don't think the "expedited" in the name means the danger got expedited away too 😭🙈

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🌈 SEE ALSO 🌈

the whole friend group, fr fr. this function lives in the kernel file ./kernel/rcu/srcutree.c and here's everybody it hangs out with:

• init_srcu_struct_generic(9)
• init_srcu_struct_fast(9)
• init_srcu_struct_fast_updown(9)
• cleanup_srcu_struct(9)
• call_srcu(9)
• synchronize_srcu(9)
• get_state_synchronize_srcu(9)
• start_poll_synchronize_srcu(9)
• poll_state_synchronize_srcu(9)
• srcu_barrier(9)
• srcu_expedite_current(9)
• srcu_batches_completed(9)

go read those too, iykyk 💜

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okay that's the page!! tysm for reading bestie, stan SRCU, and remember: it's from ./kernel/rcu, dated October 2026 — yes, the October 2026, iconic. mwah 🍓🧚‍♀️⭐💀