On Sat, 2 Sep 2000, Ingo Molnar wrote:
> well, Linux SysV shared memory indeed has a 'software version' of
> pagetables, this way if one process faults in a new page (because all
> pages are unmapped originally), then the new physical page address can be
> discovered by all other subsequent faults in other process contexts. It
> works just fine - the thing i dislike about SysV shared memory is not the
> VM part but its 'filesystem characteristics' - i think anonymous shared
> memory is the way to go.
Why? I would say that bad thing about SysV shared memory is that it's
_not_ sufficiently filesystem-thing - a special API where 'create a file
on ramfs and bloody mmap() it' would be sufficient. Why bother with
special sets of syscalls?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Thu Sep 07 2000 - 21:00:13 EST