Re: Hashing and directories

[Jamie Lokier <lk@tantalophile.demon.co.uk>]

Linus Torvalds wrote:
> The long-term solution for this is to create the new VM space for the
> new process early, and add it to the list of mm_struct's that the
> swapper knows about, and then just get rid of the pages[MAX_ARG_PAGES]
> array completely and instead just populate the new VM directly.  That
> way the destination is swappable etc, and you can also remove the
> "put_dirty_page()" loop later on, as the pages will already be in their
> right places. 
> 
> It's definitely not a one-liner, but if somebody really feels strongly
> about this, then I can tell already that the above is the only way to do
> it sanely.

Yup.  We discussed this years ago, and it nobody thought it important
enough.  mm->mmlist didn't exist then, and creating it it _just_ for
this feature seemed too intrusive.  I agree it's the only sane way to
completely remove the limit.

-- Jamie