Hi der,

On Thu, 6 Dec 2001, der erste Schuettler wrote:
> How is SysV sharedmem implemented and how/why is
> shmfs/tmpfs integrated in this topic?

shmem.c (^=tmpfs) is the implementation used by the SYSV SHM user
space API.

> A file in the shmfs/tmpfs is created with the required size and then
> with mmap mapped into the prozessspace?

Yes. shmget does create and size a tmpfs file and shmat maps it.

See the appended tmpfs.txt which was just included into 2.4.17-pre

Greetings
		Christoph