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- What: tcp_dma_copybreak sysctl
- Date: Removed in kernel v3.13
- Contact: Dan Williams <dan.j.williams@intel.com>
- Description:
- Formerly the lower limit, in bytes, of the size of socket reads
- that will be offloaded to a DMA copy engine. Removed due to
- coherency issues of the cpu potentially touching the buffers
- while dma is in flight.
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