IDR_INIT(9)

💅 IDR_INIT(9) 💅

okay so bestie, welcome to the Kernel API Manual — this page is literally all about IDR_INIT(9), and it's giving tiny-but-iconic. no cap. 🫶

🌸 NAME 🌸

IDR_INIT — Initialise an IDR. periodt. ✨

✨ SYNOPSIS ✨

IDR_INIT (name );

🎀 ARGUMENTS 🎀

• name — Name of IDR. that's the whole assignment, bestie 🎀

💖 DESCRIPTION 💖

so here's the vibe check: a freshly-initialised IDR contains no IDs. like, zero. empty. brand-new-start energy. 💅

🦋 SEE ALSO 🦋

Kernel file ./include/linux/idr.h — go look at it, iykyk. then the whole squad:

• DEFINE_IDR(9)
• idr_get_cursor(9)
• idr_set_cursor(9)
• idr sync(9)
• idr_init_base(9)
• idr_init(9)
• idr_is_empty(9)
• idr_preload_end(9)
• idr_for_each_entry(9)
• idr_for_each_entry_ul(9)
• idr_for_each_entry_continue(9)
• idr_for_each_entry_continue_ul(9)
• ida_alloc(9)
• ida_alloc_min(9)
• ida_alloc_max(9)

mwah 💋 cute little sign-off tea: source spot is ./include/linux, manual is Kernel API Manual, date is October 2026, and the page is IDR_INIT(9). bye bestie, slay your kernel dev journey 🌈✨