find_next_bit_wrap(9)

📦 version 7.3.1, in nixpkgs unstable

💅 find_next_bit_wrap — find the next set bit in a memory region

okay bestie, this one's a little kernel function from the Kernel API Manual and honestly? she's giving "wrap around the bitmap and find me a vibe" ✨ like she searches a memory region for the next set bit, and if there's nothing ahead of you, she loops back around to the front. iconic behavior honestly 🎀

✨ SYNOPSIS ✨

unsigned long find_next_bit_wrap (const unsigned long *addr , unsigned long size , unsigned long offset );

like yes that's the whole signature, she's not complicated 💅

🌸 ARGUMENTS 🌸

  • addr — the address you're basing the search on 🫶 like, where the memory region lives, that's her home base
  • size — the bitmap size in bits (bits!! not bytes!! don't come for me) 📏
  • offset — the bitnumber you start searching at 🏁 like, "begin the hunt here bestie"

💖 DESCRIPTION 💖

so here's the tea ☕: she returns the bit number for the next set bit, or the first set bit up to offset — that's the wrap part, she goes around 🔁 and if literally no bits are set? she returns size. that's it, that's the whole mood. no bits, no problem, you get size back 😌

lowkey the "wrap" in the name is doing a lot of work here — she checks forward from offset, then loops back to the start of the region. bestie's got range 💀

🦋 SEE ALSO 🦋

Kernel file ./include/linux/find.h — that's where the whole friend group lives 🏡✨

like that's the entire group chat and they're all invited to the function 💜 no cap, go read them all.

and that's the whole page babes 🌈 this queen ships out of ./include/linux and she's dated October 2026 — yeah, from the future, main character energy fr fr 👑💅 mwah, go find some bits 🍓

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