Re: OOM-killer and strange RSS value in 3.9-rc7

Christoph Lameter
2013-05-03T15:25:28Z

On Fri, 3 May 2013, Han Pingtian wrote:

> On Thu, May 02, 2013 at 03:10:15PM +0000, Christoph Lameter wrote:
> > On Thu, 2 May 2013, Han Pingtian wrote:
> >
> > > Looks like "ibmvscsi" + "slub" can trigger this problem.
> >
> > And the next merge of the slab-next tree will also cause SLAB to trigger
> > this issue. I would like to have this fixes. The slab allocator purpose is
> > to servr objects that are a fraction of a page and not objects that are
> > larger than the maximum allowed sizes of the page allocator.
>
> So the problem is in memory management code, not in ibmvscis? And looks
> like there is a fix already?

Both should be fixed. Making requests for large amounts of memory from an
allocator that is supposed to hand out fraction of a page does not make
sense.