drm_vma_node_offset_addr(9)

💅 NAME

okay so bestie, this is drm_vma_node_offset_addr(9) from the Kernel API Manual, and it does exactly one iconic thing:

• drm_vma_node_offset_addr — return sanitized offset for user-space mmaps ✨

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🎀 SYNOPSIS

__u64 drm_vma_node_offset_addr (struct drm_vma_offset_node *node );

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🌸 ARGUMENTS

• node — the linked offset node. like, the node you're asking about, but it has to be linked, okay? 🫶

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🦋 DESCRIPTION

So it's the same as drm_vma_node_start, bestie, but it returns the address as a valid offset that can be used for user-space mappings during mmap. slay. 💅

🚨 Important vibe check: this must not be called on unlinked nodes. fr fr, don't do it.

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✨ RETURN

The offset of node for byte-based addressing. It's 0 if the node does not have an object allocated. no object, no offset, periodt. 💖

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🌈 SEE ALSO

• Kernel file ./include/drm/drm_vma_manager.h
• drm_vma_offset_exact_lookup_locked(9)
• drm_vma_offset_lock_lookup(9)
• drm_vma_offset_unlock_lookup(9)
• drm_vma_node_reset(9)
• drm_vma_node_start(9)
• drm_vma_node_size(9)
• drm_vma_node_unmap(9)
• drm_vma_node_verify_access(9)

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xoxo, your Kernel API Manual bestie 🧚 source/version: ./include/drm · date: October 2026 🎀💜