On Tue, Sep 11 2007, David Howells wrote: > Jens Axboe <[EMAIL PROTECTED]> wrote: > > > It's a bit of a sledge hammer... Since get_user_pages() appears to work > > on nummu, we can just disable the vmsplice-to-userspace bits and leave > > the (working) vmsplice-from-userspace in place. > > That sounds about right. I don't think you can do the latter without > an MMU, but I may be wrong about what it does.
You mean the former? The latter is vmsplice() filling a pipe with user pages, using get_user_pages() to set them up. And that looks like it should work on nommu. The former is vmsplice() using mmap like functionality to map pages into a user vma. Just making sure we agree :-) -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
