Re: [PATCH] [4/4] SLAB: Fix node add timer race in cache_reap

Andi Kleen
2010-02-26T17:31:22Z

On Fri, Feb 26, 2010 at 11:24:50AM -0600, Christoph Lameter wrote:
> On Fri, 26 Feb 2010, Andi Kleen wrote:
>
> > > > Memory hotplug with node add never quite worked on x86 before,
> > > > for various reasons not related to slab.
> > >
> > > Ok but why did things break in such a big way?
> >
> > 1) numa memory hotadd never worked
>
> Well Kamesan indicated that this worked if a cpu became online.

I mean in the general case. There were tons of problems all over.

-Andi
--
ak@linux.intel.com -- Speaking for myself only.