On Fri, 2015-07-03 at 10:51 +0200, Krzysztof Opasiak wrote: > Doesn't we have the same problem with functionfs/gadgetfs and > dummy_hcd? > Or with fuse? > > It's a very generic problem for all "virtualized devices" and it is > known for quite a long time. This is why many tutorials about swap > warns > that swap should be set up only on real block devices which are fully > served in kernel. Indeed. But the point is that it isn't limited to swap. As you as a page needs to be laundered the problem exists. Mmapping a file for write (non private) is enough. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
