On Mer, 2004-02-25 at 07:17, Alan Altmark wrote: > Excellent. This is what the world has been waiting for. The full power > of shared memory on z/VM will be visible: A single copy of a file in > memory, regardless of how many processes or virtual machines are using it. > No wasted I/O operations and no wasted memory.
Not sure why they have written an fs for it unless its also writable while in use (ie a cluster fs). Romfs can already support this feature, you just need to set up the mappings and stick romfs on top of the relevant memory image. Its definitely useful
