pseudo_lock_minor_get(9)

💅 pseudo_lock_minor_get(9) 💅

okay so bestie, welcome to the Kernel API Manual page for pseudo_lock_minor_get(9) — yes the title is also the name, we love a self-titled icon ✨

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✨ NAME ✨

pseudo_lock_minor_get — Obtain available minor number 🎀

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🦋 SYNOPSIS 🦋

int pseudo_lock_minor_get (unsigned int *minor );

like, that's literally it. one function, one pointer, infinite potential 💜

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🌸 ARGUMENTS 🌸

• minor — Pointer to where new minor number will be stored. that's the spot where the shiny new minor number gets dropped off 🫶

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👑 DESCRIPTION 👑

so the way this works: a bitmask is used to track available minor numbers. here, the next free minor number is marked as unavailable and returned. lowkey elegant, highkey iconic 💅

like — it's giving "i found a free spot and i'm claiming it," no cap ✨

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⭐ RETURN ⭐

• 0 on success 🎉
• <0 on failure 😭

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🌈 SEE ALSO 🌈

okay this list is LONG and every single one is here because we don't skip entries in this house 💖

Kernel file ./fs/resctrl/pseudo_lock.c, plus:

• pseudo_lock_minor_release(9)
• region_find_by_minor(9)
• struct pseudo_lock_pm_req(9)
• pseudo_lock_cstates_constrain(9)
• pseudo_lock_region_clear(9)
• pseudo_lock_region_init(9)
• pseudo_lock_init(9)
• pseudo_lock_region_alloc(9)
• pseudo_lock_free(9)
• rdtgroup_monitor_in_progress(9)
• rdtgroup_locksetup_user_restrict(9)
• rdtgroup_locksetup_user_restore(9)
• rdtgroup_locksetup_enter(9)
• rdtgroup_locksetup_exit(9)
• rdtgroup_cbm_overlaps_pseudo_locked(9)
• rdtgroup_pseudo_locked_in_hierarchy(9)
• pseudo_lock_measure_cycles(9)
• rdtgroup_pseudo_lock_create(9)
• rdtgroup_pseudo_lock_remove(9)

go read those too, iykyk 🔥

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fr fr bestie, this page lives in ./fs/resctrl and it's dated October 2026 — so like, future vibes only 🦋💀

k byeee, go get those minor numbers, you're gonna slay 💅✨🎀