gnttab_dma_free_pages(9)

✨ gnttab_dma_free_pages(9) ✨

okay so bestie, welcome to the Kernel API Manual 💖 this one's short and sweet and honestly kind of a vibe. it's giving "cleanup era." 🎀

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🌸 NAME 🌸

gnttab_dma_free_pages — free DMAable pages 🦋

literally what it says on the tin: this is the function that hands back the DMA-able pages you grabbed earlier. release them, queen. 👑

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⭐ SYNOPSIS ⭐

int gnttab_dma_free_pages (struct gnttab_dma_alloc_args *args );

yup, that's the whole signature. it takes one pointer and returns an int. no cap. ✨

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💅 ARGUMENTS 💅

• args — the arguments to the function 🫶 like, that's the whole deal. you pass in the argument struct and the function does its thing with it. iykyk.

⚠️ heads up bestie: this page in the manual is literally just a stub. no return-value details, no extra flags, nothing. don't come for me, i'm only telling you what's in here. 💀

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🦋 SEE ALSO 🦋

• the kernel file ./drivers/xen/grant-table.c — that's where the whole grant-table situation lives, main character file fr fr 🔥
• gnttab_alloc_pages(9) — the grabby one 🌈
• gnttab_free_pages(9) — the other free-y one 🍓
• gnttab_dma_alloc_pages(9) — the DMA alloc that pairs with this one, iconic duo honestly 👑

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and that's the whole page, bestie 💜 not me writing a whole manpage for four lines of content, but slay, we ate. 🧚

signed, sealed, delivered from ./drivers/xen — October 2026 — gnttab_dma_free_pages(9) 🎀✨💖