pvrdma_dereg_mr(9)

💅 pvrdma_dereg_mr(9) — like, the whole vibe ✨

okay so bestie, welcome to the Kernel API Manual, section 9 🎀 — this is the page for pvrdma_dereg_mr, and honestly? it's giving "one job, does it well." no cap. 🦋

🌸 NAME 🌸

pvrdma_dereg_mr — deregister a memory region, periodt. 💖

✨ SYNOPSIS ✨

int pvrdma_dereg_mr (struct ib_mr *ibmr , struct ib_udata *udata );

like, that's the whole signature. she's short. she's iconic. she returns an int. 👑

🫶 ARGUMENTS 🫶

• ibmr — memory region. literally the MR you're about to deregister, the main character of this whole operation 💫
• udata — pointer to user data. it's a pointer, it's user data, that's the assignment and she ate 🔥

⭐ RETURN ⭐

0 on success. that's it. that's the return value. slay. 💅

ngl bestie, the manpage says 0 on success and nothing else — so don't go inventing a whole error-code lore in your head, iykyk 🙈

🌈 SEE ALSO 🌈

• Kernel file ./drivers/infiniband/hw/vmw_pvrdma/pvrdma_mr.c 📁
• pvrdma_get_dma_mr(9)
• pvrdma_reg_user_mr(9)
• pvrdma_alloc_mr(9)

go read those too, they're the friend group 🫶✨

and that's the page, bestie!! 🎀 source/version is ./drivers/infiniband/hw/vmw_pv... and it's dated October 2026 — mwah, love that for us 💜🧚‍♀️🌸