On Thu, Nov 29, 2018 at 10:53:32AM -0800, Linus Torvalds wrote: > Most of the high-performance IO is already using SG lists anyway, no? > Disk/networking/whatever. Networking basically never uses S/G lists. Block I/O mostly uses it, and graphics / media seems to have a fair amount of S/G uses, including very, erm special ones.