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
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