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[172.10.233.147]) by smtp.gmail.com with ESMTPSA id p23sm2139182otk.51.2021.02.05.14.22.00 (version=TLS1 cipher=ECDHE-ECDSA-AES128-SHA bits=128/128); Fri, 05 Feb 2021 14:22:01 -0800 (PST) Date: Fri, 5 Feb 2021 14:21:47 -0800 (PST) From: Hugh Dickins X-X-Sender: hugh@eggly.anvils To: Peter Xu cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Mike Rapoport , Mike Kravetz , Jerome Glisse , "Kirill A . Shutemov" , Hugh Dickins , Axel Rasmussen , Matthew Wilcox , Andrew Morton , Andrea Arcangeli , Nadav Amit Subject: Re: [PATCH RFC 00/30] userfaultfd-wp: Support shmem and hugetlbfs In-Reply-To: <20210129224938.GC260413@xz-x1> Message-ID: References: <20210115170907.24498-1-peterx@redhat.com> <20210129224938.GC260413@xz-x1> 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 Fri, 29 Jan 2021, Peter Xu wrote: > > Huge & Mike, > > Would any of you have comment/concerns on the high-level design of this series? > > It would be great to know it, especially major objection, before move on to an > non-rfc version. Seeing Mike's update prompts me to speak up: I have been looking, and will continue to look through it - will report when done; but find I've been making very little forward progress from one day to the next. It is very confusing, inevitably; but you have done an *outstanding* job on acknowledging the confusion, and commenting it in great detail. Hugh