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Date:   Fri, 22 Oct 2021 07:55:15 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Adam Borowski <kilobyte@angband.pl>
Cc:     Christoph Hellwig <hch@lst.de>,
        Dan Williams <dan.j.williams@intel.com>,
        Vishal Verma <vishal.l.verma@intel.com>,
        Dave Jiang <dave.jiang@intel.com>,
        Ira Weiny <ira.weiny@intel.com>, Jens Axboe <axboe@kernel.dk>,
        Yi Zhang <yi.zhang@redhat.com>, linux-block@vger.kernel.org,
        nvdimm@lists.linux.dev, linux-mm@kvack.org
Subject: Re: [PATCH 2/2] memremap: remove support for external pgmap
 refcounts
Message-ID: <20211022055515.GA21767@lst.de>
References: <20211019073641.2323410-1-hch@lst.de> <20211019073641.2323410-3-hch@lst.de> <YXFtwcAC0WyxIWIC@angband.pl>
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On Thu, Oct 21, 2021 at 03:40:17PM +0200, Adam Borowski wrote:
> This breaks at least drivers/pci/p2pdma.c:222

Indeed.  I've updated this patch, but the fix we need to urgently
get into 5.15-rc is the first one only anyway.

nvdimm maintainers, can you please act on it ASAP?