blob: a173aecc2f18aedddf1c9882808654febffe0d20 [file] [log] [blame]
What: tcp_dma_copybreak sysctl
Date: Removed in kernel v3.13
Contact: Dan Williams <>
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.