acpi_os_unmap_memory(9)

🎀 acpi_os_unmap_memory(9) 🎀

okay so we're in the Kernel API Manual era, and today's main character is acpi_os_unmap_memory — the function that drops a memory mapping reference. no cap, that's literally the whole vibe. 💅

🌸 NAME 🌸

acpi_os_unmap_memory — Drop a memory mapping reference.

✨ SYNOPSIS ✨

void __ref acpi_os_unmap_memory (void *virt , acpi_size size );

🦋 ARGUMENTS 🦋

• virt — Start of the address range to drop a reference to. like, the beginning of the range you're dropping a reference to, bestie. 🫶
• size — Size of the address range to drop a reference to. yes, the size of that same address range — it's giving "how much are we dropping a reference to?" 💖

💜 SEE ALSO 💜

Kernel file ./drivers/acpi/osl.c — also go say hi to acpi_os_map_iomem(9) and acpi_os_unmap_iomem(9). 👑

this page is acpi_os_unmap_memory(9), from the Kernel API Manual; source ./drivers/acpi, dated October 2026 — slay, goodbye! 💋✨