memcpy_from_bvec(9)

💖 NAME 💖

Bestie, say hi to memcpy_from_bvec — it literally exists to copy data from a bvec. This is the memcpy_from_bvec(9) page from the Kernel API Manual, and we are lowkey obsessed. 🎀✨

🌸 SYNOPSIS 🌸

void memcpy_from_bvec (char *to , struct bio_vec *bvec );

The way that signature ate and left no crumbs — and yes, those exact spaces are staying, iykyk. 💅

🦋 ARGUMENTS 🦋

• to — the Kernel virtual address to copy to. It’s giving destination, main character energy. 🫶
• bvec — the bvec to copy from. Source vibes, fr fr. 🍓

🎀 DESCRIPTION 🎀

⚠️ Vibe check, bestie: this must be called on single-page bvecs only. Like, that is the whole rule. Highkey important. No cap, periodt. 😭

✨ SEE ALSO ✨

Kernel file ./include/linux/bvec.h, plus all these refs:

• struct bio_vec(9)
• bvec_set_page(9)
• bvec_set_folio(9)
• bvec_set_virt(9)
• bvec_folio(9)
• bvec_kmap_local(9)
• memcpy_to_bvec(9)
• memzero_bvec(9)
• bvec_virt(9)
• bvec_phys(9)

Mwah 💋 — this cutie is sourced from ./include/linux and dated October 2026, from your fave Kernel API Manual. Go forth and copy from those single-page bvecs, bestie — slay. 🌈👑