From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by dpdk.org (Postfix) with ESMTP id 614255F32; Tue, 10 Jul 2018 13:15:37 +0200 (CEST) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 08EBE406AE3F; Tue, 10 Jul 2018 11:15:37 +0000 (UTC) Received: from [10.36.117.44] (ovpn-117-44.ams2.redhat.com [10.36.117.44]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2E30D2026D6B; Tue, 10 Jul 2018 11:15:36 +0000 (UTC) From: "Eelco Chaudron" To: "Alejandro Lucero" Cc: dev@dpdk.org, stable@dpdk.org, anatoly.burakov@intel.com, maxime.coquelin@redhat.com, ferruh.yigit@intel.com Date: Tue, 10 Jul 2018 13:15:34 +0200 Message-ID: <8296AC00-DEF5-4078-88D5-747A5167F772@redhat.com> In-Reply-To: <1530708838-2682-5-git-send-email-alejandro.lucero@netronome.com> References: <1530708838-2682-1-git-send-email-alejandro.lucero@netronome.com> <1530708838-2682-5-git-send-email-alejandro.lucero@netronome.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Tue, 10 Jul 2018 11:15:37 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Tue, 10 Jul 2018 11:15:37 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'echaudro@redhat.com' RCPT:'' Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH v3 4/6] mem: use address hint for mapping hugepages X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Jul 2018 11:15:37 -0000 On 4 Jul 2018, at 14:53, Alejandro Lucero wrote: > Linux kernel uses a really high address as starting address for > serving mmaps calls. If there exists addressing limitations and > IOVA mode is VA, this starting address is likely too high for > those devices. However, it is possible to use a lower address in > the process virtual address space as with 64 bits there is a lot > of available space. > > This patch adds an address hint as starting address for 64 bits > systems. > > Signed-off-by: Alejandro Lucero > Acked-by: Anatoly Burakov Looks good to me! Cheers, Eelco Acked-by: Eelco Chaudron