afu_dma_region_remove(9)

💅 afu_dma_region_remove 💅

Okay so this is afu_dma_region_remove(9) from the Kernel API Manual, and she’s literally the cleanup bestie of the AFU DMA region world. No cap. 🎀

🌸 NAME 🌸

afu_dma_region_remove — remove given dma region from rbtree

✨ SYNOPSIS ✨

       void afu_dma_region_remove (struct dfl_feature_dev_data *fdata , struct
       dfl_afu_dma_region *region );

🫶 ARGUMENTS 🫶

• fdata — feature dev data. That’s the whole vibe.
• region — dma region to be removed. Bye bestie 💨

🔥 DESCRIPTION 🔥

Needs to be called with fdata->lock held.

Like, this is a hard requirement, not a vibe suggestion, okay? Hold fdata->lock before you call her. Periodt. 💅

👑 SEE ALSO 👑

Kernel file ./drivers/fpga/dfl-afu-dma-region.c — and her whole friend group:

• afu_dma_pin_pages(9)
• afu_dma_unpin_pages(9)
• afu_dma_check_continuous_pages(9)
• dma_region_check_iova(9)
• afu_dma_region_add(9)
• afu_dma_region_destroy(9)
• afu_dma_region_find(9)
• afu_dma_region_find_iova(9)
• afu_dma_map_region(9)
• afu_dma_unmap_region(9)

With love from ./drivers/fpga, October 2026 — afu_dma_region_remove(9), Kernel API Manual. Mwah 💖✨