xa_get_order(9)

💅 xa_get_order — the manual, but make it make sense

okay so bestie, you know we're deep in kernel API territory here (Kernel API Manual, section 9), so grab your iced coffee 🧊 and let's get into it. This one's called xa_get_order(9) and honestly? iconic behaviour.

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🌸 NAME 🌸

xa_get_order — literally just "get the order of an entry." that's the whole vibe. 🎀

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✨ SYNOPSIS ✨

int xa_get_order (struct xarray *xa , unsigned long index );

look at that signature. so clean. so main character. 💅

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🦋 ARGUMENTS 🦋

• xa — your XArray. the thing itself. the whole point. 🫶
• index — the index of the entry you're curious about. yes, that index.

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🔥 RETURN 🔥

it hands you back a number between 0 and 63, and that number is the order of the entry. that's it, that's the whole tea. ⭐

no cap, it's a plain int and the range is 0–63. don't go expecting anything outside that, bestie, fr fr. 💀

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💖 SEE ALSO 💖

okay this part is a lot, but every single one of these is your new bestie, no skipping:

Kernel file ./lib/xarray.c, plus:

xas_load(9), xas_nomem(9), xas_free_nodes(9), xas_create_range(9), xas_store(9), xas_get_mark(9), xas_set_mark(9), xas_clear_mark(9), xas_init_marks(9), xas_split_alloc(9), xas_split(9), xas_try_split_min_order(9), xas_try_split(9), xas_pause(9), xas_find(9), xas_find_marked(9), xas_find_conflict(9), xa_load(9), __xa_erase(9), xa_erase(9), __xa_store(9), xa_store(9), __xa_cmpxchg(9), __xa_insert(9), xa_store_range(9), xas_get_order(9), __xa_alloc(9), __xa_alloc_cyclic(9), __xa_set_mark(9), __xa_clear_mark(9), xa_get_mark(9), xa_set_mark(9), xa_clear_mark(9), xa_find(9), xa_find_after(9), xa_extract(9), xa_delete_node(9), xa_destroy(9).

like, the whole xarray friend group showed up. and yes, xas_get_order(9) is in there too — the cheeky lowercase-s sibling, iykyk. 👑

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🌈 aaaand that's the page! this lil beauty lives in ./lib, version/date situation is October 2026, and the whole thing is signed off as xa_get_order(9) — go forth and get those orders, bestie 💜🧚‍♀️🍓