location_to_obj(9)

🌸 NAME 🌸

okay so bestie, this is location_to_obj(9) from the Kernel API Manual, and it does exactly one iconic thing: encode (<zpdesc>, <obj_idx>, <class_idx>) into an obj value. that's it, that's the whole assignment. 💅

✨ SYNOPSIS ✨

unsigned long location_to_obj (struct zpdesc *zpdesc , unsigned int obj_idx , unsigned int class_idx );

🎀 ARGUMENTS 🎀

• zpdesc — the zpdesc object that resides in zspage. lowkey important.
• obj_idx — the object index. periodt.
• class_idx — the size class index; it is ignored when ZS_OBJ_CLASS_BITS == 0. no cap, that's the rule.

🦋 SEE ALSO 🦋

• Kernel file ./mm/zsmalloc.c
• obj_to_location(9)
• zs_lookup_class_index(9)
• zs_huge_class_size(9)
• zs_malloc(9)
• zs_create_pool(9)

and that's the page, bestie — go off 👑 source/version: ./mm; date: October 2026. slay 💖