Re: slub: Lockout validation scans during freeing of object

[David Rientjes]

On Mon, 12 Dec 2011, Pekka Enberg wrote:

> > Subject: slub: Lockout validation scans during freeing of object
> > 
> > Slab validation can run right now while the slab free paths prepare
> > the redzone fields etc around the objects in preparation of the
> > actual freeing of the object. This can lead to false positives.
> > 
> > Take the node lock unconditionally during free so that the validation
> > can examine objects without them being disturbed by freeing operations.
> > 
> > Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
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