Date:   Mon, 21 Jan 2019 13:21:08 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc:     Michal Hocko <mhocko@kernel.org>, akpm@linux-foundation.org,
        bo.liu@linux.alibaba.com, david@fromorbit.com, hannes@cmpxchg.org,
        jack@suse.cz, shakeelb@google.com, stable@vger.kernel.org,
        torvalds@linux-foundation.org, tytso@mit.edu,
        vdavydov.dev@gmail.com
Subject: Re: [PATCH 4.9] mm, memcg: fix reclaim deadlock with writeback
Message-ID: <20190121122108.GB15873@kroah.com>
References: <154747783690179@kroah.com>
 <20190115153444.GD7283@dhcp22.suse.cz>
 <20190115155131.GA17724@kroah.com>
 <20190115174036.GA24149@dhcp22.suse.cz>
 <20190115180918.GC23873@kroah.com>
 <20190115195731.GC24149@dhcp22.suse.cz>
 <20190116104854.GH24149@dhcp22.suse.cz>
 <20190116114107.glr72vtt4i5kikq3@black.fi.intel.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20190116114107.glr72vtt4i5kikq3@black.fi.intel.com>
User-Agent: Mutt/1.11.2 (2019-01-07)
Sender: stable-owner@vger.kernel.org
Precedence: bulk

On Wed, Jan 16, 2019 at 02:41:07PM +0300, Kirill A. Shutemov wrote:
> On Wed, Jan 16, 2019 at 10:48:54AM +0000, Michal Hocko wrote:
> > On Tue 15-01-19 20:57:31, Michal Hocko wrote:
> > > On Tue 15-01-19 19:09:18, Greg KH wrote:
> > [...]
> > > > Not a problem, thanks for looking into it.  As you say 4.8+, this didn't
> > > > apply to 4.9 either, so do I need to look into doing a manual backport
> > > > there?
> > > 
> > > Backporting there should be much more easier because we already have
> > > prealloc stuff since 4.8. I will try to find some time to look into this
> > > tomorrow but I am leaving for few days off so I cannot promise anything.
> > 
> > So here we go. But this really needs another pair of eyes before
> > merging. Kirill, could you have a look please?
> 
> Looks right to me.

Thanks for the review and the patch, now queued up!

greg k-h