Re: [PATCH v4 6/6] x86: allocate space within a region top-down

From: Jesse Barnes
Date: Mon Oct 25 2010 - 17:17:40 EST


On Mon, 25 Oct 2010 15:08:48 -0600
Bjorn Helgaas <bjorn.helgaas@xxxxxx> wrote:

> On Monday, October 25, 2010 03:01:54 pm Jesse Barnes wrote:
> > On Thu, 14 Oct 2010 17:18:52 -0600
> > Bjorn Helgaas <bjorn.helgaas@xxxxxx> wrote:
> >
> > >
> > > Request that allocate_resource() use available space from high addresses
> > > first, rather than the default of using low addresses first.
> > >
> > > The most common place this makes a difference is when we move or assign
> > > new PCI device resources. Low addresses are generally scarce, so it's
> > > better to use high addresses when possible. This follows Windows practice
> > > for PCI allocation.
> >
> > Applied this series to linux-next; assuming nothing blows up I'll send
> > it to Linus this week (previous versions got some testing and landed in
> > a separate branch so this should be fine).
>
> We tripped over another issue in Fedora:
> https://bugzilla.redhat.com/show_bug.cgi?id=646027
>
> I think I see the problem, and posted a patch for testing. When it's
> resolved, I'll post an updated series.

Ok thanks, I'll drop it from -next then.

--
Jesse Barnes, Intel Open Source Technology Center
--
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/