Message ID | 20210112161240.2024684-52-Liam.Howlett@Oracle.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=wefk=GP=kvack.org=owner-linux-mm@kernel.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8640C43331 for <linux-mm@archiver.kernel.org>; Tue, 12 Jan 2021 16:16:38 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4FD0A22227 for <linux-mm@archiver.kernel.org>; Tue, 12 Jan 2021 16:16:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4FD0A22227 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=Oracle.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 8B66E8D00D1; Tue, 12 Jan 2021 11:14:27 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 8660E8D00C7; Tue, 12 Jan 2021 11:14:27 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 72D358D00D1; Tue, 12 Jan 2021 11:14:27 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0120.hostedemail.com [216.40.44.120]) by kanga.kvack.org (Postfix) with ESMTP id 5BBBD8D00C7 for <linux-mm@kvack.org>; Tue, 12 Jan 2021 11:14:27 -0500 (EST) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 1B51F180AD807 for <linux-mm@kvack.org>; Tue, 12 Jan 2021 16:14:27 +0000 (UTC) X-FDA: 77697620574.22.mint19_62025b227516 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin22.hostedemail.com (Postfix) with ESMTP id EB89018038E60 for <linux-mm@kvack.org>; Tue, 12 Jan 2021 16:14:26 +0000 (UTC) X-HE-Tag: mint19_62025b227516 X-Filterd-Recvd-Size: 4523 Received: from userp2130.oracle.com (userp2130.oracle.com [156.151.31.86]) by imf19.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Tue, 12 Jan 2021 16:14:26 +0000 (UTC) Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10CG9AhL181195; Tue, 12 Jan 2021 16:14:17 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=corp-2020-01-29; bh=Q4RSOBB9YaPWwodroerpZP4JnCBBfdGBJ4HWqIYO6E8=; b=ZVqFbrWF6G5TFtsEXyvHDgDEk0FBGWETWtX9FfztbYzgxN2XOR/S44UfytN/c1avhXq7 zt7hWtv+o2LcEtGV1V2gawoacERRXJrVbZwq5s0bxeLdPDy/SZKkOS+/etuyfsCV4Xj7 kcRvBrHGSBinbhe7YWDiozcOCSrp8dlQE6V0bIyt1KjRrxtzdz7ML69z/yF8Ii2PVeZL Au4bFwE4XNRvwERjA+U2RzvrZZQ2y3QF7yFvo6j3xpt//uqvHIJzfeLAaRQ7W/3XDS8o +x9kLZHIwwdTHaltrypjv20oiVP0ku87niyJT5CPgfP7sND0yRlo402f5O77GgLN9QhY Mw== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by userp2130.oracle.com with ESMTP id 360kvjy1r2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 16:14:17 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10CGAabZ100386; Tue, 12 Jan 2021 16:14:17 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3030.oracle.com with ESMTP id 360keh7ke6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 16:14:16 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 10CGEF8d004850; Tue, 12 Jan 2021 16:14:15 GMT Received: from revolver.jebus.ca (/23.233.25.87) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 12 Jan 2021 08:14:15 -0800 From: "Liam R. Howlett" <Liam.Howlett@Oracle.com> To: maple-tree@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Andrew Morton <akpm@google.com>, Song Liu <songliubraving@fb.com>, Davidlohr Bueso <dave@stgolabs.net>, "Paul E . McKenney" <paulmck@kernel.org>, Matthew Wilcox <willy@infradead.org>, Jerome Glisse <jglisse@redhat.com>, David Rientjes <rientjes@google.com>, Axel Rasmussen <axelrasmussen@google.com>, Suren Baghdasaryan <surenb@google.com>, Vlastimil Babka <vbabka@suse.cz>, Rik van Riel <riel@surriel.com>, Peter Zijlstra <peterz@infradead.org> Subject: [PATCH v2 51/70] kernel/sys: Use maple tree iterators instead of linked list Date: Tue, 12 Jan 2021 11:12:21 -0500 Message-Id: <20210112161240.2024684-52-Liam.Howlett@Oracle.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210112161240.2024684-1-Liam.Howlett@Oracle.com> References: <20210112161240.2024684-1-Liam.Howlett@Oracle.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9862 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 phishscore=0 spamscore=0 malwarescore=0 suspectscore=0 mlxlogscore=999 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120092 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9862 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 phishscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 impostorscore=0 spamscore=0 mlxscore=0 suspectscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120092 Content-Transfer-Encoding: quoted-printable 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> |
Series |
RFC mm: Introducing the Maple Tree
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expand
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diff --git a/kernel/sys.c b/kernel/sys.c index a730c03ee607c..fe061c54a5a46 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1858,9 +1858,10 @@ static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd) err = -EBUSY; if (exe_file) { struct vm_area_struct *vma; + MA_STATE(mas, &mm->mm_mt, 0, 0); mmap_read_lock(mm); - for (vma = mm->mmap; vma; vma = vma->vm_next) { + mas_for_each(&mas, vma, ULONG_MAX) { if (!vma->vm_file) continue; if (path_equal(&vma->vm_file->f_path,
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com> --- kernel/sys.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)