STRUCT TTM_POOL_DMA(9)

🧚 struct ttm_pool_dma(9) 💖

okay bestie, this is the Kernel API Manual page for struct ttm_pool_dma, and it is literally the helper object for coherent DMA mappings. no cap. 🫶

🌸 NAME 🌸

struct ttm_pool_dma — helper object for coherent DMA mappings ✨

🎀 SYNOPSIS 🎀

       struct ttm_pool_dma {
           dma_addr_t addr;
           unsigned long vaddr;
        };

🦋 Members 🦋

• addr — the original DMA address returned for the mapping 💅
• vaddr — the original vaddr return for the mapping, and the order in the lower bits 👑

🌈 SEE ALSO 🌈

Kernel file ./drivers/gpu/drm/ttm/ttm_pool.c, plus all these iconic little references:

• 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_free(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)

xoxo bestie, that’s the whole page 💋 — source/version is ./drivers/gpu/drm/ttm, date is October 2026, and the page is struct ttm_pool_dma(9) 💅✨