count_immovable_mem_regions(9)

💖 count_immovable_mem_regions(9) 💖

okay bestie, this is the Kernel API Manual page for count_immovable_mem_regions(9), and it’s lowkey iconic for such a tiny function. 🎀

🌸 NAME 🌸

count_immovable_mem_regions — parse SRAT and cache the immovable memory regions into the immovable_mem array. ✨

✨ SYNOPSIS ✨

int count_immovable_mem_regions (void );

🫶 ARGUMENTS 🫶

• void — no arguments. literally none, bestie. 💅

🔥 DESCRIPTION 🔥

It returns the number of immovable memory regions on success, and 0 on failure. 🫡

The failure vibes are:

• Too many immovable memory regions
• ACPI off or no SRAT found
• No immovable memory region found.

no cap: if any of those three happen, you get 0. periodt. 💀

👑 SEE ALSO 👑

Kernel file: ./arch/x86/boot/compressed/acpi.c 🦋

mwah 💋 — this lil page came from source/version ./arch/x86/boot/compressed, dated October 2026, and it’s still serving count_immovable_mem_regions(9) realness. ✨👑