kmem_cache_free(9)

💖 kmem_cache_free(9) — like, the Kernel API Manual page you needed, bestie 🎀

okay so picture this: it's giving kernel memory management, it's giving freeing things, and it's literally straight out of the Kernel API Manual. sit down, grab a lil snack 🍓, and let's get into it.

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✨ NAME ✨

kmem_cache_free — deallocate an object 🫶

like... give the object back. it's done. it served. periodt.

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🌸 SYNOPSIS 🌸

void kmem_cache_free (struct kmem_cache *s , void *x );

no cap, that's the whole vibe right there 💅

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🦋 ARGUMENTS 🦋

• s — the cache the allocation was from. yes bestie, that cache. the one it came from. don't be weird about it 🙈
• x — the previously allocated object. the one you're sending back home 🏠

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💜 DESCRIPTION 💜

free an object which was previously allocated from this cache. that's it. that's the whole function. she's simple, she's iconic, she does exactly one thing and she does it well 👑

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🌈 SEE ALSO 🌈

okay so if you're doing a lil reading arc, here's the whole crew, all of them, no skips:

• kernel file ./mm/slub.c enum slab_flags(9)
• kmem_cache_alloc_node(9)
• ksize(9)
• kfree(9)
• kvfree(9)
• kvfree_atomic(9)
• kvfree_sensitive(9)
• kmem_cache_alloc_bulk(9)

iykyk 💀✨

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fr fr, kmem_cache_free is the main character of cleanup and we love her for it 🔥

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and that's the page!! mwah 💋 — sourced from ./mm, dated October 2026, and yes that's the Kernel API Manual energy all the way through, bestie 🧚💖