On Wed, 28 Sep 2022, Gao Xiang wrote: > > Hi > > > > Ramdisk DAX was there in the past, but it was removed in the kernel 4.15. > > Hi Mikulas! > > Thanks for pointing out! I didn't realize that, although I think if we really > use brd driver in production, enabling DAX support for brd is much better to > remove double caching so that ramdisk can become a real ramdisk for most > regular files. > > I have no idea how other people think about ramdisk DAX, or brd is just a > stuff for testing only now. If it behaves like this, sorry about the > noise. > > Thanks, > Gao Xiang Hi See the message for the commit 7a862fbbdec665190c5ef298c0c6ec9f3915cf45 for the reason why it was removed. Mikulas
