max_num_isa_dev(9)

💅 max_num_isa_dev(9) 💅

okay bestie, welcome to the Kernel API Manual — this one is short and sweet, and it's giving "tiny function, big facts" energy. ✨

🎀 NAME 🎀

max_num_isa_dev — maximum possible number registered of an ISA device. 💖

✨ SYNOPSIS ✨

max_num_isa_dev (__isa_dev_ext );

🌸 ARGUMENTS 🌸

• __isa_dev_ext — -- undescribed -- 🫶 (yep, that's literally all the page says about it, no cap)

🦋 DESCRIPTION 🦋

The highest base address possible for an ISA device is 0x3FF; this results in 1024 possible base addresses. Dividing the number of possible base addresses by the address extent taken by each device results in the maximum number of devices on a system. 💅

🔥 SEE ALSO 🔥

• Kernel file ./include/linux/isa.h
• module_isa_driver(9)
• module_isa_driver_with_irq(9)

that's the whole vibe, bestie 🧚💜 — source/version is ./include/linux, and the date on this iconic little page is October 2026. 🎀