drm_gem_vm_open(9)

💅 drm_gem_vm_open — like, the NAME section but make it cute

okay so bestie, this is drm_gem_vm_open from the Kernel API Manual (yes, the actual manual, we're fancy now) — and it's the vma->ops->open implementation for GEM. that's the whole vibe. ✨

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🌸 SYNOPSIS 🌸

void drm_gem_vm_open (struct vm_area_struct *vma );

literally just one arg, no cap. she takes a vma and returns nothing (void), periodt. 🎀

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🦋 ARGUMENTS 🦋

• vma — the VM area structure. that's it, that's the arg. she's the star of the show and she's a struct vm_area_struct *. 💖

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✨ DESCRIPTION ✨

so here's the tea, bestie 🍓: this function is the implementation of the #vm_operations_struct open callback for GEM drivers. like, if GEM drivers were a group chat, this is the "hey girlie, welcome in" message. 👑

and this is important — this must be used together with drm_gem_vm_close. they're a matching set, a duo, a package deal. don't be out here using one without the other, i'm begging 🙈. it's giving "two halves of a friendship bracelet" fr fr. 💅

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🔥 SEE ALSO 🔥

the whole squad, in order, and yes i'm listing every single one because we don't do "etc." in this house 🫶:

• the kernel file ./drivers/gpu/drm/drm_gem.c — go read it, iykyk 📖
• drm_gem_huge_mnt_create(9)
• drm_gem_init(9)
• drm_gem_object_init(9)
• drm_gem_private_object_init(9)
• drm_gem_private_object_fini(9)
• drm_gem_object_handle_get_if_exists_unlocked(9)
• drm_gem_object_handle_free(9)
• drm_gem_object_handle_put_unlocked(9)
• drm_gem_handle_delete(9)
• drm_gem_dumb_map_offset(9)
• drm_gem_handle_create_tail(9)
• drm_gem_handle_create(9)
• drm_gem_free_mmap_offset(9)
• drm_gem_create_mmap_offset_size(9)
• drm_gem_create_mmap_offset(9)
• drm_gem_get_pages(9)
• drm_gem_put_pages(9)
• drm_gem_objects_lookup(9)
• drm_gem_object_lookup(9)
• drm_gem_dma_resv_wait(9)
• drm_gem_open(9)
• drm_gem_release(9)
• drm_gem_object_release(9)
• drm_gem_object_free(9)
• drm_gem_vm_close(9) ← the other half of the friendship bracelet, don't forget her 💜
• drm_gem_mmap_obj(9)
• drm_gem_get_unmapped_area(9)
• drm_gem_mmap(9)
• drm_gem_lock_reservations(9)
• drm_gem_lru_init(9)
• drm_gem_lru_remove(9)
• drm_gem_lru_move_tail_locked(9)
• drm_gem_lru_move_tail(9)
• drm_gem_lru_scan(9)
• drm_gem_evict_locked(9)

ngl, that's a long list, but every single one of those little (9) babies got her moment. main character energy for the whole directory 🌈

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anyway bestie, that's the page! 🧚 this lil gem lives in ./drivers/gpu/drm, it's from the Kernel API Manual, and it was dated October 2026 — so yeah, she's from the future and she's still slaying. bye bestie, go call drm_gem_vm_close 💖👑⭐