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Date:   Wed, 9 Oct 2019 15:22:56 +0200
From:   Michal Hocko <mhocko@kernel.org>
To:     David Hildenbrand <david@redhat.com>
Cc:     linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        Qian Cai <cai@lca.pw>, Alexey Dobriyan <adobriyan@gmail.com>,
        Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        Toshiki Fukasawa <t-fukasawa@vx.jp.nec.com>,
        Konstantin Khlebnikov <koct9i@gmail.com>,
        Mike Rapoport <rppt@linux.vnet.ibm.com>,
        Anthony Yznaga <anthony.yznaga@oracle.com>,
        Jason Gunthorpe <jgg@ziepe.ca>,
        Dan Williams <dan.j.williams@intel.com>,
        Logan Gunthorpe <logang@deltatee.com>,
        Ira Weiny <ira.weiny@intel.com>,
        "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
        linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v1] mm: Fix access of uninitialized memmaps in
 fs/proc/page.c
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On Wed 09-10-19 14:58:24, David Hildenbrand wrote:
[...]
> I would be fine with this, but it means that - for now - the three
> /proc/ files won't be able to deal with ZONE_DEVICE memory.

Thanks for the clarification. Is this an actual problem though? Do we
have any consumers of the functionality?
-- 
Michal Hocko
SUSE Labs