requeue_futex(9)

okay so bestie, we're opening requeue_futex(9) from the Kernel API Manual, and no cap this little function is lowkey iconic. 💅✨

✨ NAME ✨

requeue_futex — Requeue a futex_q from one hb to another.

🦋 SYNOPSIS 🦋

Here's the exact signature, bestie — do not freestyle it:

void requeue_futex (struct futex_q *q , struct futex_hash_bucket *hb1 ,
       struct futex_hash_bucket *hb2 , union futex_key *key2 );

🎀 ARGUMENTS 🎀

• q — the futex_q to requeue. the one getting requeued, periodt.
• hb1 — the source hash_bucket. where it's coming from, iykyk.
• hb2 — the target hash_bucket. where it's headed, slay.
• key2 — the new key for the requeued futex_q. fresh key, fresh vibe.

🌈 SEE ALSO 🌈

If you're in your research era, start with the kernel file ./kernel/futex/requeue.c, then peek at these icons:

• requeue_pi_wake_futex(9)
• futex_proxy_trylock_atomic(9)
• futex_requeue(9)
• handle_early_requeue_pi_wakeup(9)
• futex_wait_requeue_pi(9)

mwah 💋 catch you in the kernel, bestie — this page's source/version is ./kernel/futex, and the date is October 2026. 🫶🎀