STRUCT DRM_PAGEMAP_OWNER(9)

💅 struct drm_pagemap_owner(9) — Kernel API Manual, bestie edition 🎀

okay so this is the page for struct drm_pagemap_owner, from the Kernel API Manual, and honestly? it's short, it's sweet, it's iconic. let's get into it ✨

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🌸 NAME 🌸

struct drm_pagemap_owner — the device interconnect group. that's the whole vibe, no cap 💖

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✨ SYNOPSIS ✨

struct drm_pagemap_owner {
    struct kref kref;
};

literally that's it, she's a one-member struct, and she ate 🫶

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🦋 Members 🦋

• kref — the reference count. that's her job, that's her main character trait, and she does it well 💅

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🔥 Description 🔥

so a struct drm_pagemap_owner identifies a device interconnect group. lowkey that's the whole description ngl ✨ she's simple, she's purposeful, she's doing exactly what she says on the tin 💜

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👑 SEE ALSO 👑

the kernel file lives at ./drivers/gpu/drm/drm_pagemap_util.c — go say hi to her, she holds everything together 💖

and then there's the whole friend group, the group chat if you will, all of these cuties:

• 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_cache_unlock_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)
• drm_pagemap_release_owner(9)
• interconnect_fn(9)
• drm_pagemap_acquire_owner(9)

like, the way that's a whole friend group 😭 go read them too, iykyk 🧚

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and that's the page, bestie! shoutout to ./drivers/gpu/drm for hosting this queen, dated October 2026, filed under struct drm_pagemap_owner(9) — periodt 💅✨🎀