devm_kfree(9)

💖 devm_kfree(9) — Resource-managed kfree 💖

okay bestie, welcome to the Kernel API Manual entry for devm_kfree(9). yes it's a whole nine-section manpage for a free function. iconic honestly. let's get into it 🫶

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✨ NAME ✨

devm_kfree — Resource-managed kfree

like, it frees stuff, but the device is involved and it's all managed and cute about it. that's the whole vibe 💅

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🌸 SYNOPSIS 🌸

void devm_kfree (struct device *dev , const void *p );

no cap, that's the entire signature. returns void, so no checking anything, it's giving "i simply do not report back" energy 💀

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🎀 ARGUMENTS 🎀

• dev — the Device this memory belongs to. it's the owner, the main character of this allocation's whole life story 👑
• p — the Memory to free. literally just the pointer, hand it over and let it go 🦋

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⭐ DESCRIPTION ⭐

Free memory allocated with devm_kmalloc.

that's it. that's the description. sometimes the most powerful thing you can say is one sentence ✨ not me expecting more lore and getting exactly one line 😭 but honestly? efficient. we love a concise queen.

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🌈 SEE ALSO 🌈

bestie there are so many friends in this group chat, i'm obsessed. first up, the kernel file they all live in:

./drivers/base/devres.c

and now the whole squad of related calls, every single one, present and accounted for 🫶

• __devres_alloc_node(9)
• devres_for_each_res(9)
• devres_free(9)
• devres_add(9)
• devres_find(9)
• devres_get(9)
• devres_remove(9)
• devres_destroy(9)
• devres_release(9)
• devres_release_all(9)
• devres_open_group(9)
• devres_close_group(9)
• devres_remove_group(9)
• devres_release_group(9)
• __devm_add_action(9)
• devm_remove_action_nowarn(9)
• devm_release_action(9)
• devm_kmalloc(9)
• devm_krealloc(9)
• devm_kstrdup(9)
• devm_kstrdup_const(9)
• devm_kvasprintf(9)
• devm_kasprintf(9)
• devm_kmemdup(9)
• devm_kmemdup_const(9)
• devm_get_free_pages(9)
• devm_free_pages(9)
• __devm_alloc_percpu(9)

look at them. a whole family. devm_kmalloc(9) is literally the parent of this whole entry and i love that for them 💜

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lowkey reminder bestie: this frees memory from devm_kmalloc, so keep the pairing straight in your head — the manpage says what it says, don't go inventing extra behaviour, i'm just the messenger 🧚

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okay that's the whole page!! written under ./drivers/base, dated October 2026, and signed off with all the love in devm_kfree(9) — go free that memory, you've got this 💖✨🎀