__get_insn_slot(9)

🎀 __get_insn_slot 🎀

okay so this is the Kernel API Manual page for __get_insn_slot, and bestie… it does exactly what the name says: it finds a slot on an executable page for an instruction. no cap. ✨

🌸 NAME 🌸

__get_insn_slot — find a slot on an executable page for an instruction. 💅

✨ SYNOPSIS ✨

kprobe_opcode_t * __get_insn_slot (struct kprobe_insn_cache *c );

🎀 ARGUMENTS 🎀

• c — pointer to the kprobe instruction cache. that's the whole argument, bestie 🫶

🦋 DESCRIPTION 🦋

okay so picture this: __get_insn_slot locates an available slot on the existing executable pages. If there’s, like, no room on the existing ones? It allocates an executable page. iconic behavior, honestly. 🔥

💖 RETURN 💖

On success, it returns a pointer to the instruction slot. On failure, it returns NULL. periodt. 💀

🌈 SEE ALSO 🌈

• Kernel file ./kernel/kprobes.c
• kretprobe_find_ret_addr(9)
• kprobe_on_func_entry(9)

and that’s the whole vibe check from the Kernel API Manual 💜 — this page is from ./kernel , dated October 2026, and yes bestie, it’s __get_insn_slot(9) signing off 🎀✨