drm_pagemap...nlock_lookup(9)

💅 drm_pagemap_cache_unlock_lookup — bestie's edish of the Kernel API Manual, section 9

okay so picture this: you're in the Kernel API Manual (yes, the whole thing, section 9 energy), and the page you landed on is called drm_pagemap...nlock_lookup(9) — iconic, slightly truncated name, we love a mysterious queen. Anyway. It's the one about unlocking a drm_pagemap_cache after a lookup. That's the whole vibe. Let's get into it ✨

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🎀 NAME 🎀

drm_pagemap_cache_unlock_lookup — unlocks a drm_pagemap_cache after a lookup. That's it, that's the girl. 🔓

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🌸 SYNOPSIS 🌸

void drm_pagemap_cache_unlock_lookup (struct drm_pagemap_cache *cache );

no return value, just vibes and a pointer. periodt. 💅

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🦋 ARGUMENTS 🦋

• cache — the drm_pagemap_cache you wanna unlock. that's the one. hand her over and she gets unlocked, no cap 🫶

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🔥 SEE ALSO 🔥

the whole group chat, fr fr — go read these too:

• Kernel file ./drivers/gpu/drm/drm_pagemap_util.c
• struct drm_pagemap_cache(9)
• struct drm_pagemap_shrinker(9)
• drm_pagemap_cache_create_devm(9)
• Cache lookup(9)
• drm_pagemap_cache_lock_lookup(9)
• drm_pagemap_get_from_cache(9)
• drm_pagemap_cache_set_pagemap(9)
• drm_pagemap_get_from_cache_if_active(9)
• drm_pagemap_shrinker_might_lock(9)
• drm_pagemap_shrinker_add(9)
• drm_pagemap_shrinker_create_devm(9)
• struct drm_pagemap_owner(9)
• drm_pagemap_release_owner(9)
• interconnect_fn(9)
• drm_pagemap_acquire_owner(9)

like, the lock/unlock duo really said "we are a package deal" — drm_pagemap_cache_lock_lookup(9) is literally right there in the list, iykyk 👀

lowkey reminder bestie: this is the unlock side of the lookup dance. if you haven't locked, maybe go check drm_pagemap_cache_lock_lookup(9) first — that's literally all the manpage says, so don't come for me 🙈

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and that's the page! mwah 💋 source stew: ./drivers/gpu/drm, dated October 2026 — write that down, bestie, it's giving archival queen 👑📅