Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Wed, 4 Nov 2020 09:11:30 +0800
From:   Gao Xiang <hsiangkao@redhat.com>
To:     Chao Yu <yuchao0@huawei.com>
Cc:     Gao Xiang <hsiangkao@aol.com>, linux-erofs@lists.ozlabs.org,
        Chao Yu <chao@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
        stable@vger.kernel.org
Subject: Re: [PATCH 1/4] erofs: fix setting up pcluster for temporary pages
Message-ID: <20201104011130.GA982972@xiangao.remote.csb>
References: <20201022145724.27284-1-hsiangkao.ref@aol.com>
 <20201022145724.27284-1-hsiangkao@aol.com>
 <f1f24a38-97f7-e9cf-03c8-2c95814b98a3@huawei.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <f1f24a38-97f7-e9cf-03c8-2c95814b98a3@huawei.com>
User-Agent: Mutt/1.10.1 (2018-07-13)
Precedence: bulk

On Wed, Nov 04, 2020 at 09:05:56AM +0800, Chao Yu wrote:
> On 2020/10/22 22:57, Gao Xiang wrote:
> > From: Gao Xiang <hsiangkao@redhat.com>
> > 
> > pcluster should be only set up for all managed pages instead of
> > temporary pages. Since it currently uses page->mapping to identify,
> > the impact is minor for now.
> > 
> > Fixes: 5ddcee1f3a1c ("erofs: get rid of __stagingpage_alloc helper")
> > Cc: <stable@vger.kernel.org> # 5.5+
> > Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
> 
> Reviewed-by: Chao Yu <yuchao0@huawei.com>

Thanks, I've also added a note to the commit message like this,
"
[ Update: Vladimir reported the kernel log becomes polluted
  because PAGE_FLAGS_CHECK_AT_FREE flag(s) set if the page
  allocation debug option is enabled. ]
"
Will apply all of this to -fixes branch.

Thanks,
Gao Xiang

> 
> Thanks,
>