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8 lines
339 B
8 lines
339 B
What: tcp_dma_copybreak sysctl |
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Date: Removed in kernel v3.13 |
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Contact: Dan Williams <[email protected]> |
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Description: |
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Formerly the lower limit, in bytes, of the size of socket reads |
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that will be offloaded to a DMA copy engine. Removed due to |
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coherency issues of the cpu potentially touching the buffers |
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while dma is in flight.
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