hl_vm_fini(9)

✨ hl_vm_fini(9) ✨

okay so bestie, this is a page from the Kernel API Manual — yes, the actual kernel manual, we're in the big leagues now 💅 it's called hl_vm_fini and it's the glow-down cleanup era for the virtual memory module 🧹✨

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🎀 NAME 🎀

hl_vm_fini — the virtual memory module teardown. it's the "pack it up, we're done here" function, and honestly? iconic behavior 😌

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🌸 SYNOPSIS 🌸

void hl_vm_fini (struct hl_device *hdev );

like, that's the whole thing. one argument, no return value, no drama 💖

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🦋 ARGUMENTS 🦋

• hdev — pointer to the habanalabs device structure. it's the device we're saying bye to 🫶

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💜 DESCRIPTION 💜

bestie, this function does the teardown of the following three things, and it does all of them:

• the Idr for device memory allocation handles 🎫
• the DRAM physical pages pool of 2MB 🧱
• the MMU module 🧠

that's the whole vibe check — three things get torn down, no cap ✨

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🌈 SEE ALSO 🌈

the kernel file lives here, in case you wanna peek at the source (iykyk):

./drivers/accel/habanalabs/common/memory.c

and here's the whole friend group, fr fr 👑:

• dma_map_host_va(9)
• dma_unmap_host_va(9)
• dram_pg_pool_do_release(9)
• free_phys_pg_pack(9)
• free_device_memory(9)
• clear_va_list_locked(9)
• print_va_list_locked(9)
• merge_va_blocks_locked(9)
• add_va_block_locked(9)
• add_va_block(9)
• is_hint_crossing_range(9)
• get_va_block(9)
• hl_get_va_range_type(9)
• hl_unreserve_va_block(9)
• init_phys_pg_pack_from_userptr(9)
• map_phys_pg_pack(9)
• unmap_phys_pg_pack(9)
• map_device_va(9)
• unmap_device_va(9)
• hl_hw_block_mmap(9)
• export_dmabuf_from_addr(9)
• allocate_timestamps_buffers(9)
• hl_pin_host_memory(9)
• hl_userptr_delete_list(9)
• hl_userptr_is_pinned(9)
• va_range_init(9)
• va_range_fini(9)
• vm_ctx_init_with_ranges(9)
• hl_vm_ctx_fini(9)
• hl_vm_init(9)
• hl_hw_block_mem_init(9)
• hl_hw_block_mem_fini(9)

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aaand that's the page, bestie 🫶 it lives in ./drivers/accel/habanalabs/common, dated October 2026, and that's the whole hl_vm_fini(9) moment — stay hydrated, unmapped, and unbothered 💖🎀🦋