Message ID | 20190328084422.29911-6-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 4A9CB186D for <patchwork-linux-mm@patchwork.kernel.org>; Thu, 28 Mar 2019 16:45:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 357AA28C01 for <patchwork-linux-mm@patchwork.kernel.org>; Thu, 28 Mar 2019 16:45:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2947228DA5; Thu, 28 Mar 2019 16:45:51 +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=-1.4 required=2.0 tests=BAYES_00,DATE_IN_PAST_06_12, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=no 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 D1FFB28C01 for <patchwork-linux-mm@patchwork.kernel.org>; Thu, 28 Mar 2019 16:45:50 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 57B596B0269; Thu, 28 Mar 2019 12:45:41 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 529E16B026D; Thu, 28 Mar 2019 12:45:41 -0400 (EDT) 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 3F6326B026B; Thu, 28 Mar 2019 12:45:41 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-pl1-f199.google.com (mail-pl1-f199.google.com [209.85.214.199]) by kanga.kvack.org (Postfix) with ESMTP id E7BD46B0266 for <linux-mm@kvack.org>; Thu, 28 Mar 2019 12:45:40 -0400 (EDT) Received: by mail-pl1-f199.google.com with SMTP id 42so6880061pld.8 for <linux-mm@kvack.org>; Thu, 28 Mar 2019 09:45:40 -0700 (PDT) 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=JKkXpu5ulRZoEmRVgcQcnG4wvwa0D58bSOxaQyyNmz4=; b=j1nIIJBubb7L7Dr5qeorCCpfU14q/KAuGcteWHC89Vsr3PTPvqKX7mJoGRgcZGmEyw nOE89BscD2Bbct84WmXTuTieN0tphuW2FIootLQvGV74Mh/3jeHXDsEWry4Dc31ScHhN Bg6aTbqNlufMTLRpruouAHDUMfnOFeC7dT96G6cvmBhDqSqMogBAtYHs81wirMVuovS2 pF5czphPMotYVNC6kMlBKbAT/PFrCXMLAx0fpjFrk9v8LdmmVexVlKk77mCLk3SiXUM5 i6y+qm0USNmGZ8AjyFfew6+5er0LdjAshEkqmqdJTEZR6E0NR2T5myyIN1dfuRo6kin6 +oUA== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of ira.weiny@intel.com designates 134.134.136.100 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: APjAAAXzIebegW7sfEGv7ZWNpa+FBcESne1zIr6Dy1sv17A6SCBNI+CZ yr34QIFVKemb2Lzh8MHABSFwqgUGAY9tzVRgtoqj5uDpjDrUmq7FGhpJr6y3J3YJtqxj+EFFmtV Ixj2fXap5LqkwR4a0hi75dyQdZURHBdKlMxFvd3LoFchBbILff0DCxG+C6gTXvFFsNQ== X-Received: by 2002:a17:902:b609:: with SMTP id b9mr43877381pls.134.1553791540640; Thu, 28 Mar 2019 09:45:40 -0700 (PDT) X-Google-Smtp-Source: APXvYqxrkec96cWIhNp8ym/Xxh2ICy0O8UVrgqG7ZszfSHW3WuiAtf2E1iY5/8DvTavXMbrTEi0W X-Received: by 2002:a17:902:b609:: with SMTP id b9mr43877330pls.134.1553791539902; Thu, 28 Mar 2019 09:45:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1553791539; cv=none; d=google.com; s=arc-20160816; b=yUaKTEG6IxaHi/riNEvixLmxd4pCiyOXINs+kJMETF3oa1XYMDXG/b86pyQaV0Fg7Z ORFOxvIutwoWww5FLqGjADBBojR+XBWIUbgOs+8om8VLPwov0ibU2zUYNyh5i87EEWje ahV2Apz8MZ5/bvfMuV8QbHjcygmxAn72WyWvtAwWVAWwXGJW5FudZXwh28kpoOJ1iG6T +TU60MeE2aswCxK4yqJR6FW90ho470cuGaNsp+mCtJSwhdQ2FYIPyqla3kCsq0fvqGJn uJfl7SjRFKldrwFMcaWn4Rx3RRxhRsOVCRGu94FrJvOa3PEJ8FFYnhyIx1ygGNpZszjD jfEw== 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=JKkXpu5ulRZoEmRVgcQcnG4wvwa0D58bSOxaQyyNmz4=; b=j2H6V/TbnmnmuoRdRIylgZgdwPi3vi2zhY9fqeVckNiXNsT3Ltkwq8kZNDGmXEs8wh /UGPXFv549n8ClDrzoVK1NWRlXiUZg3jxkkp50CHzfvq5dcv1bZy+p2cq+mxiloITR2R BiPkxX0lmP90/4gMIdaz9VOicJpTdn0ygCnZGR6fXpo/zUj77CzocUqTV3dXyvMTkMdX 5guPNwbXmyk2J1VuxRLLN8GSBr9Lkl5P0mC7KCtjwdBc/LGuBOuHK8+dhpa/30Ovyvdw 9Yj/qCU/nXEMUOdV1ZsRFrLxHAowGQQlItfuqn6GARQcBCzdyxoUbH0uYRTAF4mz6a0w /FlA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of ira.weiny@intel.com designates 134.134.136.100 as permitted sender) smtp.mailfrom=ira.weiny@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from mga07.intel.com (mga07.intel.com. [134.134.136.100]) by mx.google.com with ESMTPS id 31si22686092plb.39.2019.03.28.09.45.39 for <linux-mm@kvack.org> (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 28 Mar 2019 09:45:39 -0700 (PDT) Received-SPF: pass (google.com: domain of ira.weiny@intel.com designates 134.134.136.100 as permitted sender) client-ip=134.134.136.100; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ira.weiny@intel.com designates 134.134.136.100 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 orsmga001.jf.intel.com ([10.7.209.18]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Mar 2019 09:45:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,281,1549958400"; d="scan'208";a="218460210" Received: from iweiny-desk2.sc.intel.com ([10.3.52.157]) by orsmga001.jf.intel.com with ESMTP; 28 Mar 2019 09:45:38 -0700 From: ira.weiny@intel.com To: Andrew Morton <akpm@linux-foundation.org>, John Hubbard <jhubbard@nvidia.com>, 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>, James Hogan <jhogan@kernel.org> Cc: Ira Weiny <ira.weiny@intel.com>, linux-mm@kvack.org, linux-kernel@vger.kernel.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, linux-rdma@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH V3 5/7] IB/hfi1: Use the new FOLL_LONGTERM flag to get_user_pages_fast() Date: Thu, 28 Mar 2019 01:44:20 -0700 Message-Id: <20190328084422.29911-6-ira.weiny@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190328084422.29911-1-ira.weiny@intel.com> References: <20190328084422.29911-1-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 |
Series |
Add FOLL_LONGTERM to GUP fast and use it
|
expand
|
diff --git a/drivers/infiniband/hw/hfi1/user_pages.c b/drivers/infiniband/hw/hfi1/user_pages.c index 78ccacaf97d0..02eee8eff1db 100644 --- a/drivers/infiniband/hw/hfi1/user_pages.c +++ b/drivers/infiniband/hw/hfi1/user_pages.c @@ -104,9 +104,9 @@ int hfi1_acquire_user_pages(struct mm_struct *mm, unsigned long vaddr, size_t np bool writable, struct page **pages) { int ret; + unsigned int gup_flags = FOLL_LONGTERM | (writable ? FOLL_WRITE : 0); - ret = get_user_pages_fast(vaddr, npages, writable ? FOLL_WRITE : 0, - pages); + ret = get_user_pages_fast(vaddr, npages, gup_flags, pages); if (ret < 0) return ret;