move_device_tree(9)

🦋 move_device_tree(9) — Kernel API Manual 🦋

okay bestie, this is the move_device_tree(9) page from the Kernel API Manual, and it's giving “tiny function, very specific relocation job” 💅✨

✨ NAME ✨

move_device_tree — move tree to an unused area, if needed.

🌈 SYNOPSIS 🌈

void move_device_tree (void );

🎀 ARGUMENTS 🎀

• void — no arguments. literally none. not a single one. 🫶

💖 DESCRIPTION 💖

okay so here’s the situation: the device tree may be allocated beyond our memory limit, or inside the crash kernel region for kdump, or within the page aligned range of initrd. 😭

and if it is? if so, move it out of the way. slay. that’s the whole mission. ✨

🔥 SEE ALSO 🔥

• Kernel file ./arch/powerpc/kernel/prom.c
• of_get_ibm_chip_id(9)
• cpu_to_chip_id(9)

maybe go check those out too, iykyk 💜

cute sign-off bestie: source/version ./arch/powerpc/kernel, date October 2026, page move_device_tree(9) — that’s the footer, periodt 💅🎀