On 05/06/2014 11:47 AM, Linus Torvalds wrote: > And as I've mentioned, there is a correct place to slot this in, and > that correct way is the _only_ way to ever support future GPU's that > _do_ share direct access to the page tables. The GPU runs a lot faster when using video memory, instead of system memory, on the other side of the PCIe bus. The CPU cannot directly address video memory. How can shared page table access work, given these constraints? -- All rights reversed -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>