Re: 3rd version of R/W mmap_sem patch available

[Linus Torvalds]

On Tue, 20 Mar 2001, Rik van Riel wrote:
>
> (ie the patch really isn't ready yet to be included in the
> main kernel ... OTOH, the changes needed to make it ready
> are all trivial and tedious ;))

They are trivial and tedious only if done wrong - which will also add tons
of new places where we lock and unlock only to lock again.

My -pre5 has the non-trivial "fix the calling convention and require that
pmd/pgd_alloc() be called with the lock held" version of the patch.

		Linus