Message ID | 20190220053040.10831-8-ira.weiny@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <owner-linux-mm@kvack.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5B87E1575 for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 20 Feb 2019 05:31:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 423502DBF6 for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 20 Feb 2019 05:31:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3648D2DC14; Wed, 20 Feb 2019 05:31:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C697A2DBF6 for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 20 Feb 2019 05:31:07 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 561FC8E0008; Wed, 20 Feb 2019 00:30:53 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 471458E0007; Wed, 20 Feb 2019 00:30:53 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2F4148E0008; Wed, 20 Feb 2019 00:30:53 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-pg1-f199.google.com (mail-pg1-f199.google.com [209.85.215.199]) by kanga.kvack.org (Postfix) with ESMTP id AFB338E0007 for <linux-mm@kvack.org>; Wed, 20 Feb 2019 00:30:52 -0500 (EST) Received: by mail-pg1-f199.google.com with SMTP id o24so7553433pgh.5 for <linux-mm@kvack.org>; Tue, 19 Feb 2019 21:30:52 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-original-authentication-results:x-gm-message-state:from:to:cc :subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=Z2oLMpEtZJkOWhiVxDwCbgAywRjmrernHVpSPAUXgTY=; b=ViZMNNz+clERA4heB5gRoqjx+YV0GHBCAvQc/7ACv/tQ8ooNuyxopSFkPTpzQhs7gl rSDA1dAL0gVy5P+YzSVINfheRmxGV/ZOEHVtTXPiqCqOx8VYC5laF/3sg6N5IBmClkD1 I0jIGQMCvnA5j9ctKeXdz0gQv6MgOygM0l1CiOTMzBgp0WrAoS6PPUga1gm8Ct4jIJ/Y PaHWA4Wd/2jCDr/gEEGplifW9+ggVYOrg5kHnNVRGfUQR4Jn3ye5W4tyfXNiOVTaaZmx AeglvVUunS9rnFgdVZ7r9MgCtxPLshnNuoq8HJ8j+/Ds/Q6ptf3BtldvXux+RUlFiley Pl6g== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of ira.weiny@intel.com designates 192.55.52.151 as permitted sender) smtp.mailfrom=ira.weiny@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Gm-Message-State: AHQUAuZ7JU5qVDA4z5ltRlRCYDUmHQIvJDtdjVKRFVy07IjsyOxfZnNP +lOWUfhIpdmZ35d45LzrF/a187bpKGi4n4fvl8w/QrYTNfaXmmDjhW5FEuIHaMH4cFFij6hVsib BawXLqhMdyPNYVWsVn20OFmp/1VAVWXQYyL63MliPo3czMPPPOpetDHLbFyFdDl1apA== X-Received: by 2002:a17:902:e409:: with SMTP id ci9mr11454489plb.221.1550640652428; Tue, 19 Feb 2019 21:30:52 -0800 (PST) X-Google-Smtp-Source: AHgI3IZ9vCjxx9sKQJ2r5QDns70lacXWiNnLqzX4UWVw+ZtP+7Pl3+j0QWPbKXqHYOQLKpbxNv/B X-Received: by 2002:a17:902:e409:: with SMTP id ci9mr11454439plb.221.1550640651716; Tue, 19 Feb 2019 21:30:51 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1550640651; cv=none; d=google.com; s=arc-20160816; b=RdWl84hVXr31bCWyugnulyyudBMlWY87GAzqZb2rMdB5eQ4mOMIqlSUtQQr7fdzK0A CphhMSR4ETgPh86cIh4Vyh6UswXIHSVECfwsR4ORfN2cUJzia3aNH7s5n7m5UsdHWXGx gj68uLJ7vRdZCnIyzQ/oGPLj+ELVZu6x6/As9fUQoW/GKEDbYEYnF5WmMSaNtCsgdW23 /Ce4MBRUA+bLQ1ol0uAkBsDM8l/7uXUxXmbyte0+ybMyvSEE7UTtWuRn/9Ve8auvKnt7 ClgkuS4mDCj0AgbKOJWZzgfSHIijSDkpx7fTPwXPlJF14PgQpmSbuYFbpnshfhRnWFzx ZeFg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from; bh=Z2oLMpEtZJkOWhiVxDwCbgAywRjmrernHVpSPAUXgTY=; b=XCiIncj/7iaW5etd7ErnO2mOyNNzaxOZ2rP67yTOBUDQCB2ZOQ1tPGI9R5Y0CDguN9 p9gMhdJpfxtb1spReJEn9LywlJHS0fjuq2ncjmUGuUESt8yQxH1Ue170JmxfVpK6sSQW zan1dskTN172XdD4RfWHz3FxX2uJThEopQ/xrJspOEIfhmo8gkO40TH7ZdecgoU6Z8VM 96miRGi+jz0CACVqpK+XJE36eRHa7Fd7THsbkNhb1ZHJ0shKLhtUFneA+sR4oOj7dUfr /te7aKeg8i8r+ogGyt8Z+HEXJms2rv2DYyfO3yKzTtBIlIHOTVC0kGsfGSsMyQC515H0 /IEA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of ira.weiny@intel.com designates 192.55.52.151 as permitted sender) smtp.mailfrom=ira.weiny@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from mga17.intel.com (mga17.intel.com. [192.55.52.151]) by mx.google.com with ESMTPS id e17si17976549pgd.109.2019.02.19.21.30.51 for <linux-mm@kvack.org> (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 19 Feb 2019 21:30:51 -0800 (PST) Received-SPF: pass (google.com: domain of ira.weiny@intel.com designates 192.55.52.151 as permitted sender) client-ip=192.55.52.151; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ira.weiny@intel.com designates 192.55.52.151 as permitted sender) smtp.mailfrom=ira.weiny@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Feb 2019 21:30:51 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,388,1544515200"; d="scan'208";a="144924922" Received: from iweiny-desk2.sc.intel.com ([10.3.52.157]) by fmsmga002.fm.intel.com with ESMTP; 19 Feb 2019 21:30:51 -0800 From: ira.weiny@intel.com To: John Hubbard <jhubbard@nvidia.com>, Andrew Morton <akpm@linux-foundation.org>, Michal Hocko <mhocko@suse.com>, "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>, Peter Zijlstra <peterz@infradead.org>, Jason Gunthorpe <jgg@ziepe.ca>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, "David S. Miller" <davem@davemloft.net>, Martin Schwidefsky <schwidefsky@de.ibm.com>, Heiko Carstens <heiko.carstens@de.ibm.com>, Rich Felker <dalias@libc.org>, Yoshinori Sato <ysato@users.sourceforge.jp>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>, Ralf Baechle <ralf@linux-mips.org>, Paul Burton <paul.burton@mips.com>, James Hogan <jhogan@kernel.org> Cc: Ira Weiny <ira.weiny@intel.com>, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, kvm-ppc@vger.kernel.org, kvm@vger.kernel.org, linux-fpga@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-rdma@vger.kernel.org, linux-media@vger.kernel.org, linux-scsi@vger.kernel.org, devel@driverdev.osuosl.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-fbdev@vger.kernel.org, xen-devel@lists.xenproject.org, devel@lists.orangefs.org, ceph-devel@vger.kernel.org, rds-devel@oss.oracle.com Subject: [RESEND PATCH 7/7] IB/mthca: Use the new FOLL_LONGTERM flag to get_user_pages_fast() Date: Tue, 19 Feb 2019 21:30:40 -0800 Message-Id: <20190220053040.10831-8-ira.weiny@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190220053040.10831-1-ira.weiny@intel.com> References: <20190220053040.10831-1-ira.weiny@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: <linux-mm.kvack.org> X-Virus-Scanned: ClamAV using ClamSMTP |
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Add FOLL_LONGTERM to GUP fast and use it
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diff --git a/drivers/infiniband/hw/mthca/mthca_memfree.c b/drivers/infiniband/hw/mthca/mthca_memfree.c index 112d2f38e0de..8ff0e90d7564 100644 --- a/drivers/infiniband/hw/mthca/mthca_memfree.c +++ b/drivers/infiniband/hw/mthca/mthca_memfree.c @@ -472,7 +472,8 @@ int mthca_map_user_db(struct mthca_dev *dev, struct mthca_uar *uar, goto out; } - ret = get_user_pages_fast(uaddr & PAGE_MASK, 1, FOLL_WRITE, pages); + ret = get_user_pages_fast(uaddr & PAGE_MASK, 1, + FOLL_WRITE | FOLL_LONGTERM, pages); if (ret < 0) goto out;