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Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <6425cd07c25dc_21f56920810@willemb.c.googlers.com.notmuch> References: <6425cd07c25dc_21f56920810@willemb.c.googlers.com.notmuch> <64259aca22046_21883920890@willemb.c.googlers.com.notmuch> <20230329141354.516864-1-dhowells@redhat.com> <20230329141354.516864-17-dhowells@redhat.com> <854811.1680189069@warthog.procyon.org.uk> To: Willem de Bruijn Cc: dhowells@redhat.com, Matthew Wilcox , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Al Viro , Christoph Hellwig , Jens Axboe , Jeff Layton , Christian Brauner , Chuck Lever III , Linus Torvalds , netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [RFC PATCH v2 16/48] ip, udp: Support MSG_SPLICE_PAGES MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1024851.1680205748.1@warthog.procyon.org.uk> Date: Thu, 30 Mar 2023 20:49:08 +0100 Message-ID: <1024852.1680205748@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Willem de Bruijn wrote: > Yes exactly. I wasn't sure whether the inner loops required access to > too many function scope variables to pull this off. But seems like it > is doable. Great. The same helpers can be used for both ipv4 and ipv6 as it turns out. David