Bug in reclaim logic with exhausted nodes?

[Christoph Lameter]

On Tue, 25 Mar 2014, Nishanth Aravamudan wrote:

> On 25.03.2014 [11:17:57 -0500], Christoph Lameter wrote:
> > On Mon, 24 Mar 2014, Nishanth Aravamudan wrote:
> >
> > > Anyone have any ideas here?
> >
> > Dont do that? Check on boot to not allow exhausting a node with huge
> > pages?
>
> Gigantic hugepages are allocated by the hypervisor (not the Linux VM),

Ok so the kernel starts booting up and then suddenly the hypervisor takes
the 2 16G pages before even the slab allocator is working?

Not sure if I understand that correctly.