xe_ggtt_size(9)

💅 xe_ggtt_size — the "how big is my GGTT bestie" page

okay so real talk, you're in the Kernel API Manual (we're fancy here, it's a 9 section situation) and the function we're obsessing over today is xe_ggtt_size. It's a tiny little icon and it does exactly one thing, but it does it flawlessly. ✨

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🌸 NAME

xe_ggtt_size — Get size of GGTT. That's it. That's the whole vibe. 🎀

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✨ SYNOPSIS

u64 xe_ggtt_size (struct xe_ggtt *ggtt );

no cap, that's the entire signature. one arg, one u64 back. clean, minimal, slay. 💅

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🦋 ARGUMENTS

• ggtt — an xe_ggtt. yes literally just "xe_ggtt", that's what the manpage says and I'm not gonna pretend otherwise lmao. it's the GGTT struct you're curious about, bestie, hand it over. 🫶

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💖 RETURN

It gives you back the total usable size of this xe_ggtt — as a u64, per the synopsis. total. usable. size. periodt. 👑

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🌈 SEE ALSO

okay this is the part where the page trauma-dumps its entire friend group and honestly? iconic. every single one of these is linked, and you're gonna read the list, not skip it (iykyk):

• Kernel file ./drivers/gpu/drm/xe/xe_ggtt.c
• Global Graphics Translation Table (GGTT)(9)
• struct xe_ggtt_node(9)
• struct xe_ggtt_pt_ops(9)
• struct xe_ggtt(9)
• xe_ggtt_start(9)
• xe_ggtt_alloc(9)
• xe_ggtt_init_early(9)
• xe_ggtt_node_remove(9)
• xe_ggtt_init(9)
• xe_ggtt_shift_nodes(9)
• xe_ggtt_insert_node(9)
• xe_ggtt_node_pt_size(9)
• xe_ggtt_map_bo(9)
• xe_ggtt_map_bo_unlocked(9)
• xe_ggtt_insert_node_transform(9)
• xe_ggtt_insert_bo_at(9)
• xe_ggtt_insert_bo(9)
• xe_ggtt_remove_bo(9)
• xe_ggtt_largest_hole(9)
• xe_ggtt_assign(9)
• xe_ggtt_node_save(9)
• xe_ggtt_node_load(9)
• xe_ggtt_dump(9)
• xe_ggtt_print_holes(9)
• xe_ggtt_encode_pte_flags(9)
• xe_ggtt_read_pte(9)
• xe_ggtt_node_addr(9)
• xe_ggtt_node_size(9)

like… twenty-four friends. main character energy for a size getter, honestly. 🌟

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ngl there are no warnings, no exit statuses, no env vars, no flags on this one. it's a one-liner getter and it knows it. don't go looking for drama where there is none, bestie. 💀

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that's the whole page, gorgeous — brought to you by the good people living in ./drivers/gpu/drm/xe, dated October 2026. go get that u64, you absolute 🧚 legend. 🍓💜