mei_dmam_ring_alloc(9)

📦 version 7.3.1, in nixpkgs unstable

💅 mei_dmam_ring_alloc — kernel API manual, but make it cute

okay so this is mei_dmam_ring_alloc(9), and it's literally the function that allocates your dma ring buffers 🎀 yes bestie, the ring buffers. she's the setup queen and the whole dma ring saga starts here.

✨ NAME ✨

mei_dmam_ring_alloc — allocate dma ring buffers

like, that's it, that's her whole job, and she does it slayfully 💖

🌸 SYNOPSIS 🌸

int mei_dmam_ring_alloc(struct mei_device *dev);

that int return is not a vibe check she's doing for fun, it's fr fr telling you how it went 😭

🦋 ARGUMENTS 🦋

  • dev — the mei device. that's the one, the main character, the device struct you're handing over 🫶

⭐ RETURN ⭐

  • -ENOMEM — on allocation failure 💀 the memory said no and she's telling you straight
  • 0 — otherwise 👑 everything's allocated, we move

🔥 SEE ALSO 🔥

the kernel file, iykyk:

./drivers/misc/mei/dma-ring.c

and her whole friend group, all in one group chat:

ngl if you're reading this and you haven't checked out mei_dmam_ring_free(9) yet, bestie pls go be responsible, alloc and free are a matched set 💅

that's the whole page!! brought to you by the fine people over at ./drivers/misc/mei, dated October 2026 ✨💜 bye bestie, go allocate something iconic 🌈

📦 where this page comes from