return_unused_pool_pebs(9)

okay so this is return_unused_pool_pebs(9), straight from the Kernel API Manual, and honestly? It’s giving “tiny function, very specific job” energy 💅✨

🌸 NAME 🌸

return_unused_pool_pebs — returns unused PEB to the free tree. periodt 🎀

✨ SYNOPSIS ✨

here’s the exact signature, bestie, no cap:

void return_unused_pool_pebs (struct ubi_device *ubi , struct
ubi_fm_pool *pool );

🦋 ARGUMENTS 🦋

two args, both described, let’s go:

• ubi — UBI device description object
• pool — fastmap pool description object

💖 SEE ALSO 💖

the whole lil friend group, plus the kernel file, all here — iykyk:

• Kernel file: ./drivers/mtd/ubi/fastmap-wl.c
• update_fastmap_work_fn(9)
• find_anchor_wl_entry(9)
• ubi_wl_get_fm_peb(9)
• ubi_refill_pools_and_lock(9)
• produce_free_peb(9)
• ubi_wl_get_peb(9)
• next_peb_for_wl(9)
• need_wear_leveling(9)
• ubi_ensure_anchor_pebs(9)
• ubi_wl_put_fm_peb(9)
• ubi_is_erase_work(9)
• may_reserve_for_fm(9)

okay bye bestie! source/version: ./drivers/mtd/ubi · date: October 2026 🫶💖✨