Hi Kanoj and Linus,

kanoj@google.engr.sgi.com (Kanoj Sarcar) writes:

> [snip] 
>
> I do not believe there is any good reason to expose the special
> shared memory segment used as a place holder for all /dev/zero
> mappings to users via ipc* commands. This special segment exists
> only because we want to reduce kernel code duplication, and all the
> zshmid_kernel/ zero_id checks just make sure that regular shared
> memory works pretty much the way it did before. (One thing I am
> unhappy about is that this special segment eats up a shm id, but
> that's probably not too bad).

The appended proposal reduces code duplication and complexity a
lot. (The diff47 needs your patches against other files added.)

I would vote to apply diff48 to the standard kernel. For me the whole
solution is still a workaround. 

Greetings
		Christoph