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[172.10.233.147]) by smtp.gmail.com with ESMTPSA id 186sm204276oof.16.2020.12.03.14.04.18 (version=TLS1 cipher=ECDHE-ECDSA-AES128-SHA bits=128/128); Thu, 03 Dec 2020 14:04:19 -0800 (PST) Date: Thu, 3 Dec 2020 14:04:18 -0800 (PST) From: Hugh Dickins X-X-Sender: hugh@eggly.anvils To: Andrew Morton , Stephen Rothwell cc: m.szyprowski@samsung.com, qcai@redhat.com, dchinner@redhat.com, hannes@cmpxchg.org, hch@lst.de, hughd@google.com, jack@suse.cz, kirill.shutemov@linux.intel.com, mm-commits@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, william.kucharski@oracle.com, willy@infradead.org, yang.shi@linux.alibaba.com Subject: Re: + mm-truncateshmem-handle-truncates-that-split-thps-fix-fix.patch added to -mm tree In-Reply-To: <20201126054713.GmEiU5MZ_%akpm@linux-foundation.org> Message-ID: References: <20201126054713.GmEiU5MZ_%akpm@linux-foundation.org> User-Agent: Alpine 2.11 (LSU 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, 25 Nov 2020, akpm@linux-foundation.org wrote: > > The patch titled > Subject: mm-truncateshmem-handle-truncates-that-split-thps-fix-fix > has been added to the -mm tree. Its filename is > mm-truncateshmem-handle-truncates-that-split-thps-fix-fix.patch Andrew, Stephen, This lot is proving to be a work in progress, the current state breaks booting on 32-bit, livelocks trinity, and breaks shmem in more ways than I can quickly explain. Please revert (in reverse order): mm-truncateshmem-handle-truncates-that-split-thps.patch mm-truncateshmem-handle-truncates-that-split-thps-fix.patch mm-truncateshmem-handle-truncates-that-split-thps-fix-fix.patch mm-filemap-return-only-head-pages-from-find_get_entries.patch (I don't think there's any problem with that last patch, but assume that it relies on ..split-thpfs.patch being in already.) Thanks, Hugh