may_reserve_for_fm(9)

okay so bestie, you’re looking at the may_reserve_for_fm page from the Kernel API Manual 💅✨

🦋 NAME 🦋

may_reserve_for_fm — tests whether a PEB shall be reserved for fastmap. See find_mean_wl_entry(). 🫶

✨ SYNOPSIS ✨

struct ubi_wl_entry * may_reserve_for_fm (struct ubi_device *ubi ,
struct ubi_wl_entry *e , struct rb_root *root );

🎀 ARGUMENTS 🎀

• ubi — the UBI device description object 🫶
• e — the physical eraseblock to return 🌸
• root — the RB tree to test against. 💅

🔥 SEE ALSO 🔥

• Kernel file ./drivers/mtd/ubi/fastmap-wl.c — update_fastmap_work_fn(9), find_anchor_wl_entry(9), return_unused_pool_pebs(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) 👑

and that’s the whole page, bestie! 💖 this cutie came from ./drivers/mtd/ubi, dated October 2026, and it’s literally the may_reserve_for_fm(9) page. periodt ✨