resource_alignment(9)

🌸 NAME 🌸

resource_alignment — calculate resource's alignment. Hiiii bestie 💖 this is the resource_alignment(9) page from the Kernel API Manual, and it’s lowkey a tiny iconic little helper.

✨ SYNOPSIS ✨

resource_size_t resource_alignment (const struct resource *res );

🎀 ARGUMENTS 🎀

• res — a pointer to the resource. That’s the whole assignment, bestie: hand over the resource pointer 🫶

💅 DESCRIPTION 💅

On success? You get the alignment, periodt ✨. On failure? You get 0 — invalid alignment — and it’s giving “nope” 😭.

🔥 SEE ALSO 🔥

Kernel file: ./kernel/resource.c

Also linked up in the group chat:

• 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(9)
• insert_resource_expand_to_fit(9)
• remove_resource(9)
• adjust_resource(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)

mwah 💋 — source/version: ./kernel, date: October 2026