kvfree_rcu_barrier_on_cache(9)

💅 NAME 💅

kvfree_rcu_barrier_on_cache — bestie, this one waits for all the in-flight kvfree_rcu() calls to finish up on one specific slab cache. Like, it literally stands there holding the door until everybody's out. ✨

This page lives in the Kernel API Manual, and yes it's giving very niche-but-important energy. 🎀

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✨ SYNOPSIS ✨

void kvfree_rcu_barrier_on_cache (struct kmem_cache *s );

No cap, that's the whole signature. 🫶

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🌸 ARGUMENTS 🌸

• s — the slab cache you're waiting on. That's it, that's the whole vibe check. 💅

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🦋 DESCRIPTION 🦋

Okay so real talk: this page is lowkey a "see also" situation. For the actual details, go read the description of kvfree_rcu_barrier. It's all there, iykyk. 👑

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⭐ SEE ALSO ⭐

Kernel file ./mm/slab_common.c and its whole friend group:

• __kmem_cache_create_args(9)
• kmem_buckets_create(9)
• kmem_cache_shrink(9)
• kmem_dump_obj(9)
• kfree_sensitive(9)
• struct kvfree_rcu_bulk_data(9)
• struct kfree_rcu_cpu_work(9)
• struct kfree_rcu_cpu(9)
• kvfree_rcu_barrier(9)

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Alright bestie, that's the whole page, mwah 💋 — this one came from ./mm, dated October 2026, and it's your girl kvfree_rcu_barrier_on_cache(9) signing off. Slay, stay barrier-safe, and don't forget to read kvfree_rcu_barrier for the deets! 🌈💖