Alan Cox <alan@lxorguk.ukuu.org.uk> writes:
> > replaces/reuses the existing SYSV shm code so you now have to
> > mount the fs to be able to use SYSV SHM. But in turn we now have
> > everything in place to implement posix shm. This also obsoletes
> > vm_private_data in vm_area_struct.
>
> Umm no. It obsoletes vm_private_data for existing merged file
> systems. The stackable file systems still need this field (cryptfs,
> lofs etc)
Hey, that's a pity :-( I liked this cleanup. Do they really need it?
> > Also it is now possible to do e.g. 'rm /dev/shm/*' instead of this
> >terrible 'ipcrm shm xx' :-)
>
> Nice
Yup :-)
Greetings
Christoph
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