ttm_resource_manager_used(9)

💅 ttm_resource_manager_used(9) 💅

okay so bestie, welcome to the Kernel API Manual — this one's a lil function from the kernel docs, and honestly? it's giving "one-line wonder" energy. no notes. ✨

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✨ NAME ✨

ttm_resource_manager_used — and that's it, that's the whole name section 😭 the original literally leaves the description blank, so we're not gonna make one up. no cap, nothing to see here. 🫶

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🦋 SYNOPSIS 🦋

bool ttm_resource_manager_used (struct ttm_resource_manager *man );

look at her go. one function, one arg, returns a bool. short king behavior. 👑

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🎀 ARGUMENTS 🎀

• man — the manager you're asking about, aka the one whose used state you wanna peek at. that's the whole assignment. 💅

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🌸 DESCRIPTION 🌸

so what does it actually do? it gets the in-use flag for a manager. that's it. that's the vibe. you hand it a manager, it tells you whether that manager is marked as in use. simple, iconic, no drama. ✨

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⭐ RETURN ⭐

• true → it's used, periodt. 🔥
• false → not used. 🙈

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🌈 SEE ALSO 🌈

the og page points you at the kernel file ./include/drm/ttm/ttm_resource.h — and then hits you with the whole friend group:

• TTM_NUM_MOVE_FENCES(9)
• enum ttm_lru_item_type(9)
• struct ttm_lru_item(9)
• ttm_lru_item_init(9)
• struct ttm_resource_manager(9)
• struct ttm_bus_placement(9)
• struct ttm_resource(9)
• ttm_lru_item_to_res(9)
• struct ttm_lru_bulk_move_pos(9)
• struct ttm_lru_bulk_move(9)
• struct ttm_resource_cursor(9)
• struct ttm_kmap_iter_iomap(9)
• struct ttm_kmap_iter_linear_io(9)
• ttm_resource_manager_set_used(9)
• ttm_resource_manager_cleanup(9)
• ttm_resource_manager_for_each_res(9)

like, that's the whole group chat right there. go say hi. 🫶

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lowkey a reminder: this page is from the kernel docs, source lives at ./include/drm/ttm, and the manual it ships in is the Kernel API Manual, dated October 2026. 💖

okay bye bestie, go check your flags, mwah 🧚‍♀️💜