On Thu, 12 Oct 2017, Chris Brandt wrote: > On Thursday, October 12, 2017, Nicolas Pitre wrote: > > Small embedded systems typically execute the kernel code in place (XIP) > > directly from flash to save on precious RAM usage. This adds the ability > > to consume filesystem data directly from flash to the cramfs filesystem > > as well. Cramfs is particularly well suited to this feature as it is > > very simple and its RAM usage is already very low, and with this feature > > it is possible to use it with no block device support and even lower RAM > > usage. > > > > Works! > > I first applied the MTD patch series from here: > > http://patchwork.ozlabs.org/project/linux-mtd/list/?series=7504 > > Then this v6 patch series on top of it. > > I created a mtd-rom/direct-mapped partition and was able to both mount after boot, and also boot as the rootfs. > > So far, so good. > > Thank you! > > Tested-by: Chris Brandt <chris.brandt@xxxxxxxxxxx> Great! Thanks for testing. Hopefully this series has finally addressed all objections that were raised. Nicolas