On Mon, Feb 22, 2021 at 09:50:35AM -0700, Alex Williamson wrote: > By linking all the device fds we provide to userspace to an > address space through a new pseudo fs, we can use tools like > unmap_mapping_range() to zap all vmas associated with a device. > > Suggested-by: Jason Gunthorpe <jgg@xxxxxxxxxx> > Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx> Adding Al: I hate how we're are growing these tiny file systems just to allocate an anonymous inode all over. Shouldn't we allow to enhance fs/anon_inodes.c to add a new API to allocate a new specific inode from anon_inodefs instead?