free_dma(9)

💖 free_dma(9) 💖

okay so bestie, welcome to the Kernel API Manual ✨ this one's a little baby page — like, three lines of actual content — but it's lowkey important, so let's get into it 🫶

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✨ NAME ✨

free_dma — free a reserved system DMA channel

yes queen, that's the whole vibe: you grabbed a DMA channel with request_dma(9), and now you're giving it back 💅

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🌸 SYNOPSIS 🌸

void free_dma (unsigned int dmanr );

that's it. that's the whole signature. no cap 🎀

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🦋 ARGUMENTS 🦋

• dmanr — the DMA channel number 🌈 literally just which channel you're freeing, iykyk

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🧚 SEE ALSO 🧚

• Kernel file ./kernel/dma.c — the source file where this lives, go read it if you're feeling main character energy 🔥
• request_dma(9) — the one that takes the channel. this one's its other half, fr fr 💜

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and that's the page!! short and iconic, honestly 🎀 ngl sometimes the little ones eat 💅

this lil beauty came from the ./kernel corner of the world, dated October 2026 ⭐ go off, bestie, and remember: if you requested it, you free it 🫶✨