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[184.145.4.219]) by smtp.gmail.com with ESMTPSA id t203sm693005qke.83.2021.05.12.12.00.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 May 2021 12:00:41 -0700 (PDT) Date: Wed, 12 May 2021 15:00:39 -0400 From: Peter Xu To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Hugh Dickins Cc: Nadav Amit , Miaohe Lin , Mike Rapoport , Andrea Arcangeli , Hugh Dickins , Jerome Glisse , Mike Kravetz , Jason Gunthorpe , Matthew Wilcox , Andrew Morton , Axel Rasmussen , "Kirill A . Shutemov" Subject: Re: [PATCH v2 00/24] userfaultfd-wp: Support shmem and hugetlbfs Message-ID: References: <20210427161317.50682-1-peterx@redhat.com> MIME-Version: 1.0 In-Reply-To: <20210427161317.50682-1-peterx@redhat.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b="FRWg9k/e"; dmarc=pass (policy=none) header.from=redhat.com; spf=none (imf09.hostedemail.com: domain of peterx@redhat.com has no SPF policy when checking 216.205.24.124) smtp.mailfrom=peterx@redhat.com X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 2E8E46007BDC X-Stat-Signature: 1hrsbogp1upefaeq5t4pjbz6mw1zfgsf Received-SPF: none (redhat.com>: No applicable sender policy available) receiver=imf09; identity=mailfrom; envelope-from=""; helo=us-smtp-delivery-124.mimecast.com; client-ip=216.205.24.124 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1620846038-474167 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 Tue, Apr 27, 2021 at 12:12:53PM -0400, Peter Xu wrote: > This is v2 of uffd-wp shmem & hugetlbfs support, which completes uffd-wp as a > kernel full feature, as it only supports anonymous before this series. Ping.. Thinking about a repost, as this series shouldn't be able to apply after we've got more relevant patches into -mm. E.g., the full minor fault, and also some small stuff like pagemap, as we need one more patch to support shmem/hugetlbfs too. Hugh, haven't received any further comment from you on shmem side (or on the general idea). It would be great to still have some of your input. Let me know if you prefer to read a fresh new version otherwise. Thanks! -- Peter Xu