insert_resource(9)

💖 insert_resource(9) — Kernel API Manual energy 💖

okay bestie, welcome to the resource-tree side of the Kernel API Manual — this one is short, sweet, and lowkey important if you're out here producing resources ✨

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📛 NAME 📛

insert_resource — Inserts a resource in the resource tree 🌳

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🛠️ SYNOPSIS 🛠️

int insert_resource (struct resource *parent , struct resource *new );

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🧸 ARGUMENTS 🧸

• parent — parent of the new resource 👑
• new — new resource to insert 🎀

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💫 DESCRIPTION 💫

So here's the tea: it returns 0 on success, and it gives you -EBUSY if the resource can't be inserted. That's the whole vibe check 😭💅

This function is intended for producers of resources, such as FW modules and bus drivers. If that's your main character era, this one's for you 🫶🔥

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👀 SEE ALSO 👀

Kernel file ./kernel/resource.c — and here's the whole SEE ALSO friend group, no cap:

• request_resource_conflict(9)
• request_resource(9)
• release_resource(9)
• find_next_res(9)
• walk_iomem_res_desc(9)
• region_intersects(9)
• find_resource_space(9)
• reallocate_resource(9)
• allocate_resource(9)
• lookup_resource(9)
• insert_resource_conflict(9)
• insert_resource_expand_to_fit(9)
• remove_resource(9)
• adjust_resource(9)
• resource_alignment(9)
• __request_region(9)
• __release_region(9)
• release_mem_region_adjustable(9)
• merge_system_ram_resource(9)
• devm_request_resource(9)
• devm_release_resource(9)
• devm_request_free_mem_region(9)
• alloc_free_mem_region(9)

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okay that's the page bestie 💖 — this lil beauty lives under ./kernel, stamped October 2026, and its man page tag is insert_resource(9) ✨🫶