On Thu, 14 Oct 2010 14:55:19 +0200 Andi Kleen <andi@xxxxxxxxxxxxxx> wrote: > > I think that at least one mainline driver in arm uses such trick but I > > can't recall the name. Better to ask on the arm mainling list. Also I > > heard that the are some out-of-tree patches about this. > > I'm sure there are out of tree patches for lots of things, > but at least in terms of merging mainline functionality > use cases merged in the mainline tree are required. I think that we already have drivers that need such feature in mainline. They keep out-of-tree patches that give continuous memory to these drivers reliably. Anyway, Felipe pointed out one user. I also think that drivers/media/video/videobuf-dma-contig.c also was already mentioned, needs such feature. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>