get_complet...chronize_rcu(9)

get_completed_synchronize_rcu 💅✨

okay so welcome to the Kernel API Manual, bestie — this page is literally called get_complet...chronize_rcu(9) (yes, it’s truncated like that, mysterious queen behavior 👑), and the function inside is get_completed_synchronize_rcu. she’s giving “pre-completed polled state cookie” energy and honestly? iconic. 🍪

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🌸 NAME 🌸

get_completed_synchronize_rcu — return a pre-completed polled state cookie. no cap, that’s the whole name, and it ate. ✨

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✨ SYNOPSIS ✨

unsigned long get_completed_synchronize_rcu (void );

okay so it’s handing you back an unsigned long, and the args are void-ing it. periodt. 💜

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🫶 ARGUMENTS 🫶

• void — no arguments. literally none. zero. the void is voiding. 💀

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💖 DESCRIPTION 💖

This function returns a value. That value will always be treated by functions like poll_state_synchronize_rcu as a cookie whose grace period has already completed. so it’s a done-deal cookie, a finished-grace-period lil legend, no waiting around. 🍪✨

like, the grace period is already complete before you even ask — she’s pre-completed and proud. 💅

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👀 SEE ALSO 👀

the kernel file lore lives at ./kernel/rcu/update.c, and the whole squad is:

• rcu_read_lock_held_common(9)
• rcu_async_hurry(9)
• rcu_async_relax(9)
• rcu_expedite_gp(9)
• rcu_unexpedite_gp(9)
• rcu_read_lock_held(9)
• rcu_read_lock_bh_held(9)
• wakeme_after_rcu(9)
• init_rcu_head_on_stack(9)
• destroy_rcu_head_on_stack(9)

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kisses from ./kernel/rcu 💖 dated October 2026, filed under get_complet...chronize_rcu(9) 🎀🦋