pipapo_reclaim_match(9)

okay bestie, we're on the pipapo_reclaim_match(9) page from the Kernel API Manual, and it's giving “RCU callback doing cleanup business” energy 🫶✨

🌸 NAME 🌸

pipapo_reclaim_match — RCU callback to free fields from old matching data.

That's the name and the whole job description, periodt: it's an RCU callback that frees fields from old matching data 💅.

✨ SYNOPSIS ✨

the signature, exactly as written:

void pipapo_reclaim_match (struct rcu_head *rcu );

🦋 ARGUMENTS 🦋

• rcu — RCU head. that's the one and only argument, and it's an RCU head 👑

🎀 SEE ALSO 🎀

the whole linked-up crew, all present and accounted for:

• Kernel file ./net/netfilter/nft_set_pipapo.c Theory of Operation(9)
• pipapo_refill(9), pipapo_get_slow(9), pipapo_get(9), nft_pipapo_lookup(9), nft_pipapo_get(9)
• pipapo_realloc_mt(9), lt_calculate_size(9), pipapo_resize(9), pipapo_bucket_set(9), pipapo_lt_4b_to_8b(9)
• pipapo_lt_8b_to_4b(9), pipapo_lt_bits_adjust(9), pipapo_insert(9), pipapo_step_diff(9), pipapo_step_after_end(9)
• pipapo_base_sum(9), pipapo_expand(9), pipapo_map(9), pipapo_free_scratch(9), pipapo_realloc_scratch(9)
• pipapo_maybe_clone(9), nft_pipapo_insert(9), pipapo_clone(9), pipapo_rules_same_key(9), pipapo_unmap(9)
• pipapo_drop(9), pipapo_gc_scan(9), pipapo_gc_queue(9), pipapo_free_fields(9), nft_pipapo_commit(9)
• nft_pipapo_activate(9), nft_pipapo_deactivate(9), nft_pipapo_flush(9), pipapo_get_boundaries(9), pipapo_match_field(9)
• nft_pipapo_remove(9), nft_pipapo_do_walk(9), nft_pipapo_walk(9), nft_pipapo_privsize(9), nft_pipapo_estimate(9)
• nft_pipapo_init(9), nft_set_pipapo_match_destroy(9), nft_pipapo_destroy(9), nft_pipapo_gc_init(9)

and that's the page, bestie 🎀 source/version: ./net/netfilter; date: October 2026 — cute little sign-off, mwah 💋🦋✨