Re: [PATCH] mmu notifiers #v7

Christoph Lameter
2008-02-29T19:47:01Z

On Fri, 29 Feb 2008, Andrea Arcangeli wrote:

> On Thu, Feb 28, 2008 at 05:03:01PM -0800, Christoph Lameter wrote:
> > I thought you wanted to get rid of the sync via pte lock?
>
> Sure. _notify is happening inside the pt lock by coincidence, to
> reduce the changes to mm/* as long as the mmu notifiers aren't
> sleep capable.

Ok if this is a coincidence then it would be better to separate the
notifier callouts from the pte macro calls.