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Date: Fri, 11 Jan 2019 09:31:32 -0800
From: Matthew Wilcox <willy@infradead.org>
Subject: Re: [PATCH] rbtree: fix the red root
Message-ID: <20190111173132.GH6310@bombadil.infradead.org>
References: <YrcPMrGmYbPe_xgNEV6Q0jqc5XuPYmL2AFSyeNmg1gW531bgZnBGfEUK5_ktqDBaNW37b-NP2VXvlliM7_PsBRhSfB649MaW1Ne7zT9lHc=@protonmail.ch>
 <20190111165145.23628-1-cai@lca.pw>
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To: Qian Cai <cai@lca.pw>
Cc: akpm@linux-foundation.org, esploit@protonmail.ch, jejb@linux.ibm.com, dgilbert@interlog.com, martin.petersen@oracle.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org

On Fri, Jan 11, 2019 at 11:51:45AM -0500, Qian Cai wrote:
> Reported-by: Esme <esploit@protonmail.ch>
> Signed-off-by: Qian Cai <cai@lca.pw>

What change introduced this bug?  We need a Fixes: line so the stable
people know how far to backport this fix.