Re: [PATCH] mm: vmscan: fix memcg-aware shrinkers not called on global reclaim

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On Mon, Aug 01, 2016 at 03:18:40PM +0200, Michal Hocko wrote:
> On Mon 01-08-16 16:03:10, Vladimir Davydov wrote:
> > We must call shrink_slab() for each memory cgroup on both global and
> > memcg reclaim in shrink_node_memcg(). Commit d71df22b55099 accidentally
> > changed that so that now shrink_slab() is only called with memcg != NULL
> > on memcg reclaim. As a result, memcg-aware shrinkers (including
> > dentry/inode) are never invoked on global reclaim. Fix that.
> > 
> > Fixes: d71df22b55099 ("mm, vmscan: begin reclaiming pages on a per-node basis")
> 
> I guess you meant b2e18757f2c9. I do not see d71df22b55099 anywhere.

I'm basing on top of v4.7-mmotm-2016-07-28-16-33 and there it's
d71df22b55099.

> 
> > Signed-off-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
> 
> The fix looks ok to me otherwise
> 
> Acked-by: Michal Hocko <mhocko@xxxxxxxx>

Thanks!

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