ttm_pool_free(9)

💅 ttm_pool_free(9) — a Kernel API Manual moment

okay so bestie, welcome to the glow-up of ttm_pool_free(9). this is a page from the Kernel API Manual and it's literally about handing your graphics pages back home. short page, big vibes, no cap.

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✨ NAME ✨

ttm_pool_free — free the backing pages from a ttm_tt object 🎀

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🌸 SYNOPSIS 🌸

void ttm_pool_free (struct ttm_pool *pool , struct ttm_tt *tt );

that's it. that's the whole signature. two args, void return, main character energy. 👑

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🦋 ARGUMENTS 🦋

• pool — the pool you're giving pages back to. like returning your friend's hoodie except it's memory. 🫶
• tt — the ttm_tt object that's getting unpopulated. it's giving "packing up and going home" 💀

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💖 DESCRIPTION 💖

Give the packing pages back to a pool or free them. that's the whole thing, fr fr. the pages either go back to a pool or they get freed — that's the assignment and it ate. ✨

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🔥 SEE ALSO 🔥

kernel file ./drivers/gpu/drm/ttm/ttm_pool.c, and honestly the whole friend group:

• struct ttm_pool_dma(9)
• struct ttm_pool_alloc_state(9)
• struct ttm_pool_tt_restore(9)
• Partial backup and restoration of a struct ttm_tt.(9)
• ttm_pool_free_range(9)
• ttm_pool_alloc(9)
• ttm_pool_restore_and_alloc(9)
• ttm_pool_drop_backed_up(9)
• ttm_pool_backup(9)
• ttm_pool_init(9)
• ttm_pool_synchronize_shrinkers(9)
• ttm_pool_fini(9)
• ttm_pool_debugfs(9)
• ttm_pool_mgr_init(9)
• ttm_pool_mgr_fini(9)

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ngl bestie, that's a lot of ttm_pool_* functions and they're all lowkey iconic. read them, don't just skim. 💜

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and that's the whole page!! 🧚 mwah 💅

shoutout to ./drivers/gpu/drm/ttm for being the source, and this one's dated October 2026 — so yeah, it's from the future, periodt. 🌈⭐🍓