drm_gem_shmem_init(9)

🎀 drm_gem_shmem_init(9) 🎀

okay so bestie, welcome to the Kernel API Manual ✨ this little page is all about drm_gem_shmem_init(9) — yes, the very function in the title, we're doing it, we're learning DRM shmem internals together 💅

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💖 NAME 💖

drm_gem_shmem_init — literally just initializes an allocated object, that's the whole vibe 🫶

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✨ SYNOPSIS ✨

int drm_gem_shmem_init (struct drm_device *dev , struct
       drm_gem_shmem_object *shmem , size_t size );

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🌸 ARGUMENTS 🌸

• dev — the DRM device, aka the main character in this situation 👑
• shmem — the shmem GEM object you're about to initialize, she's allocated but not yet initialized, know the difference 🦋
• size — buffer size in bytes, count carefully bestie, units matter 😭

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🧚 DESCRIPTION 🧚

so this function initializes an allocated shmem GEM object. that's it. that's the whole description. no cap, sometimes the docs are refreshingly short and we respect the brevity 💜

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⭐ RETURN ⭐

• 0 on success 🎉 slay
• a negative error code on failure 💀 not slay, but at least it tells you

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🌈 SEE ALSO 🌈

like, go read these too, iykyk 📚

• Kernel file ./drivers/gpu/drm/drm_gem_shmem_helper.c overview(9)
• drm_gem_shmem_create(9)
• drm_gem_shmem_release(9)
• drm_gem_shmem_free(9)
• drm_gem_shmem_pin(9)
• drm_gem_shmem_unpin(9)
• drm_gem_shmem_create_with_handle(9)
• drm_gem_shmem_dumb_create(9)
• drm_gem_shmem_mmap(9)
• drm_gem_shmem_print_info(9)
• drm_gem_shmem_get_sg_table(9)
• drm_gem_shmem_get_pages_sgt(9)
• drm_gem_shmem_prime_import_sg_table(9)
• drm_gem_shmem_prime_import_no_map(9)

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fr fr, that's the whole page — go forth and initialize responsibly 💅

and that's a wrap, bestie!! this little gem lives over in ./drivers/gpu/drm and the page is dated October 2026 🍓 mwah, see you in the next manpage 😘💖