Re: Virtual address space exhaustion (was Discontigmem virt_to_page() )

Denis Vlasenko (vda@port.imtp.ilyichevsk.odessa.ua)
Sat, 4 May 2002 22:49:23 -0200


On 3 May 2002 20:35, Martin J. Bligh wrote:
> > No. It's not stupid. Unix defines a kind of operating system that
> > has certain characteristics and/or attributes. Process/kernel shared
> > address space is one of them. It's a name that has historical
> > signifigance.
>
> Yes it is stupid. This is a small implementation detail, and has no
> real importance whatsoever. People have done this in the past
> (Dynix/PTX did it) will do so in the future. Nor does the kernel
> address space have to be global and shared across all tasks
> as stated earlier in this thread. What makes it Unix is the interface
> it presents to the world, and how it behaves, not the little details
> of how it's implemented inside.

I'm curious where it is visible to userspace?
(I'm asking for educational purposes)

--
vda
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/