Re: [PATCH v3 2/2] virtio_balloon: replace oom notifier with shrinker

[Wei Wang <wei.w.wang@intel.com>]

On 08/03/2018 08:11 PM, Tetsuo Handa wrote:
> On 2018/08/03 17:32, Wei Wang wrote:
> > +static int virtio_balloon_register_shrinker(struct virtio_balloon *vb)
> > +{
> > +	vb->shrinker.scan_objects = virtio_balloon_shrinker_scan;
> > +	vb->shrinker.count_objects = virtio_balloon_shrinker_count;
> > +	vb->shrinker.batch = 0;
> > +	vb->shrinker.seeks = DEFAULT_SEEKS;
> Why flags field is not set? If vb is allocated by kmalloc(GFP_KERNEL)
> and is nowhere zero-cleared, KASAN would complain it.

Could you point where in the code that would complain it?
I only see two shrinker flags (NUMA_AWARE and MEMCG_AWARE), and they 
seem not related to that.


Best,
Wei