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Date:   Wed, 11 Nov 2020 09:18:00 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     Nick Desaulniers <ndesaulniers@google.com>
Cc:     hch@lst.de, akpm@linux-foundation.org, dan.j.williams@intel.com,
        daniel@ffwll.ch, linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        linux-nvdimm@lists.01.org, Heiko Carstens <hca@linux.ibm.com>,
        Vasily Gorbik <gor@linux.ibm.com>,
        Christian Borntraeger <borntraeger@de.ibm.com>,
        clang-built-linux@googlegroups.com
Subject: Re: [PATCH 2/2] mm: simplify follow_pte{,pmd}
Message-ID: <20201111081800.GA23492@lst.de>
References: <20201029101432.47011-3-hch@lst.de> <20201111022122.1039505-1-ndesaulniers@google.com>
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On Tue, Nov 10, 2020 at 06:21:22PM -0800, Nick Desaulniers wrote:
> Sorry, I think this patch may be causing a regression for us for s390?
> https://travis-ci.com/github/ClangBuiltLinux/continuous-integration/jobs/432129279#L768
> 
> (via https://lore.kernel.org/linux-mm/20201029101432.47011-3-hch@lst.de)

Hmm, the call to follow_pte_pmd in the s390 code does not actually exist
in my tree.