nvme_pmr_size(2)

✨ nvme_pmr_size ✨

okay so bestie, welcome to section 2 of the libnvme API manual 💜 this one's called nvme_pmr_size, and it does exactly one little job but it does it flawlessly, no cap.

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🎀 NAME 🎀

nvme_pmr_size — calculate the size of the persistent memory region elasticity buffer, periodt 💅

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🌸 SYNOPSIS 🌸

__u64 nvme_pmr_size (__u32 pmrebs );

like. look at her. one function, one argument, one __u64 coming back at you. she's lowkey iconic 🦋

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🍓 ARGUMENTS 🍓

• pmrebs — this is the value you pull from the controller register NVME_REG_PMREBS. that's it, that's the whole input, she takes one number and she runs with it ✨

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👑 RETURN 👑

the size of the controller persistent memory buffer, in bytes 💖 fr fr, that's the whole vibe.

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ngl if you're here wondering whether this function does anything else — she does not. one number in, byte count out, main character energy only 😭

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and that's the page!! this was the nvme_pmr_size page from the libnvme API manual, and it's dated July 2026 — thanks for reading bestie, hope your buffers are always the right size 🫶🌈⭐