Re: shmfs/tmpfs/vm-fs

[Christoph Rohland <cr@sap.com>]

Hi Lothar,

On Fri, 7 Dec 2001, der erste Schuettler wrote:
> thanks for the paper but, with sysvipc, are msyncs still needed, to
> keep the shared pages in sync with the file on the tmpfs? 

Of course not. sync on tmpfs does nothing.

> You could use the same pages for all...  tmpfs ist cool, is it
> possible to change the permissions on an shared object or istead of
> shmctl IPC_RMID just use rm /de/shm/SYSVblablub?

It was possible in some 2.3 kernels, but this had to be removed with
the cleanup :-(

Greetings
		Christoph


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