Re: [RFC][PATCH 6/8] mm: handle_speculative_fault()

From: Arjan van de Ven
Date: Sat Jan 09 2010 - 10:53:02 EST


On Fri, 8 Jan 2010 09:51:49 -0600 (CST)
Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx> wrote:

> On Thu, 7 Jan 2010, Arjan van de Ven wrote:
>
> > if an app has to change because our kernel sucks (for no good
> > reason), "change the app" really is the lame type of answer.
>
> We are changing apps all of the time here to reduce the number of
> system calls.

it's fine to fix an app for something fundamental.
it sucks to need to fix an app because we decided to clear a page
inside a lock rather than outside it.


--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/