efi_memmap_init_early(9)

✨ efi_memmap_init_early ✨

okay so bestie, welcome to the Kernel API Manual 💖 you're about to learn about efi_memmap_init_early, and honestly? she's a little baddie who shows up early and gets the memory map mapped. no cap.

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🌸 NAME 🌸

efi_memmap_init_early — maps the EFI memory map data structure 🗺️✨

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🎀 SYNOPSIS 🎀

int efi_memmap_init_early (struct efi_memory_map_data *data );

like, that's the whole signature. it's giving simple. it's giving iconic. 💅

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🦋 ARGUMENTS 🦋

• data — the EFI memory map data 💾 that's the one thing you pass in, and she's kind of the whole point.

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💜 DESCRIPTION 💜

so here's the vibe: this function uses early_memremap to map the EFI memory map that you passed in, and then it assigns that mapped thing to efi.memmap. 🌈

that's it. that's the whole glow-up. early map, assign, slay. 🔥

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⭐ RETURN ⭐

• returns zero on success 🫶 (we love a win)
• returns a negative error code on failure 😭 (and we hate that for us, but at least she tells you)

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🧚 SEE ALSO 🧚

• Kernel file ./drivers/firmware/efi/memmap.c
• __efi_memmap_init(9)
• efi_memmap_init_late(9)

go read those too, iykyk 👑🌷

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kisses bestie, this page came to you from ./drivers/firmware/efi, dated October 2026, and you're gonna absolutely eat this kernel knowledge up fr fr 💅✨🎀