pseudo_lock_free(9)

💅 pseudo_lock_free(9) — like, the pseudo_lock_free page from the Kernel API Manual, bestie ✨

Okay so picture this: it's a (9) page, it lives in the Kernel API Manual, and it's literally all about freeing a pseudo-locked region. Yes queen, we're doing kernel resctrl internals today. 🎀

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🌸 NAME 🌸

pseudo_lock_free — frees a pseudo-locked region, that's the whole vibe 💖

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✨ SYNOPSIS ✨

void pseudo_lock_free (struct rdtgroup *rdtgrp );

That's it. That's the function. No return value, no drama, just void and a pointer. Iconic behavior honestly. 🦋

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🫶 ARGUMENTS 🫶

• rdtgrp — the resource group that the pseudo-locked region belonged to. Like, past tense, it's giving "we used to be together" 😭. This is your struct rdtgroup * and it's the only thing you're passing in.

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💜 DESCRIPTION 💜

So here's the sitch, bestie: by the time you're calling this, the pseudo-locked region's resources have already been released — or honestly? They were never even created yet at this point. Either way, not your problem anymore. 🙈

Now that we're here, the region can be freed and disassociated from the resource group. That's literally it. Cut the cord, release the region, let it go, main character exit. ✨

No cap, this is the cleanup step, so don't come in here expecting it to do the releasing for you — the manpage says the resources are already handled by the time you arrive. 💅

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🌈 RETURN 🌈

void — returns nothing, gives nothing, takes nothing. A true minimalist. 👑

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⭐ SEE ALSO ⭐

All the siblings and cousins and adjacent lore, live from the kernel file ./fs/resctrl/pseudo_lock.c 🍓:

• pseudo_lock_minor_get(9)
• 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)
• 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)

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And that's the page, babes! 🧚 Run it back anytime you're in ./fs/resctrl, dated October 2026, and remember: pseudo_lock_free(9) said what it said. Bye bestie, slay your cleanup 💖✨🎀