alloc_cpu_rmap(9)

💅 alloc_cpu_rmap(9) 💅

okay so welcome to the Kernel API Manual corner of the group chat, bestie. This page is for alloc_cpu_rmap(9), and it's lowkey iconic for one thing: allocate a CPU affinity reverse-map. no cap 🎀

✨ NAME ✨

alloc_cpu_rmap — allocate CPU affinity reverse-map. that's the whole main-character moment, periodt 💖

📜 SYNOPSIS 📜

the signature is literally giving:

struct cpu_rmap * alloc_cpu_rmap (unsigned int size , gfp_t flags );

🧚 ARGUMENTS 🧚

• size — Number of objects to be mapped. slay, that's the count bestie ✨
• flags — Allocation flags e.g. GFP_KERNEL. yes, the allocation-flags situation 🌸

👀 SEE ALSO 👀

the whole friend group, in the exact order:

• Kernel file ./lib/cpu_rmap.c
• cpu_rmap_release(9)
• cpu_rmap_get(9)
• cpu_rmap_put(9)
• cpu_rmap_add(9)
• cpu_rmap_update(9)
• free_irq_cpu_rmap(9)
• irq_cpu_rmap_notify(9)
• irq_cpu_rmap_release(9)
• irq_cpu_rmap_remove(9)
• irq_cpu_rmap_add(9)

that's the whole page, bestie 🫶 source/version ./lib, dated October 2026, for alloc_cpu_rmap(9). mwah 💋