From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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=-16.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,UNWANTED_LANGUAGE_BODY,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 519CFC433E0 for ; Tue, 12 Jan 2021 16:17:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D59222227 for ; Tue, 12 Jan 2021 16:17:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406300AbhALQRM (ORCPT ); Tue, 12 Jan 2021 11:17:12 -0500 Received: from userp2130.oracle.com ([156.151.31.86]:46090 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406269AbhALQRB (ORCPT ); Tue, 12 Jan 2021 11:17:01 -0500 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 10CGFcVp007649; Tue, 12 Jan 2021 16:16:02 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=cvUMqHn+O3qM5VQ3zNFulOfYkZZq1edj4JVDmgDeWIY=; b=UH31THU5dEnah58m5BmnaLXMD0vSwL5Xy4nQ3fu7epJXFmfcvwQcZ6rMunM6pPAy7vXD GPxIMa51K8b/D/OMbviiopqmjvmCVElKjk7xV+b1jYs5hr/3M8IH29wiUsNyTKFCaC8+ 1asK9zz+RYoBDIroUC4SRrtZTJrHz/VyztFokOUAArWA81xi0C0TwNmzyaGypEhOKSLl 4z0GCfV4Xa8NG4DE2pAXYC6x3sd9D3FAERjRB7eWXl3RECcSyC/GkI/9Vwvtheqo2+wd cNRpcjlMPOTfygcUhIfQ9ruMzkpVSu2pcf9yM/5XkeKAfnqK7BJFDkAYkNSeY0ZeWgRz 7A== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by userp2130.oracle.com with ESMTP id 360kvjy236-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 16:16:02 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10CGBYD9142770; Tue, 12 Jan 2021 16:14:01 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3020.oracle.com with ESMTP id 360ke6rhgm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 16:14:01 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 10CGDx1p030313; Tue, 12 Jan 2021 16:13:59 GMT Received: from revolver.jebus.ca (/23.233.25.87) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 12 Jan 2021 08:13:58 -0800 From: "Liam R. Howlett" To: maple-tree@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Andrew Morton , Song Liu , Davidlohr Bueso , "Paul E . McKenney" , Matthew Wilcox , Jerome Glisse , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Vlastimil Babka , Rik van Riel , Peter Zijlstra Subject: [PATCH v2 41/70] fs/coredump: Use maple tree iterators in place of linked list Date: Tue, 12 Jan 2021 11:12:11 -0500 Message-Id: <20210112161240.2024684-42-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 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9862 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 suspectscore=0 spamscore=0 mlxlogscore=999 malwarescore=0 bulkscore=0 mlxscore=0 phishscore=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-2101120093 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Liam R. Howlett --- fs/coredump.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/fs/coredump.c b/fs/coredump.c index c6acfc694f658..a69f281a08afb 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -1040,10 +1040,10 @@ static unsigned long vma_dump_size(struct vm_area_struct *vma, return vma->vm_end - vma->vm_start; } -static struct vm_area_struct *first_vma(struct task_struct *tsk, +static struct vm_area_struct *first_vma(struct mm_struct *mm, struct vm_area_struct *gate_vma) { - struct vm_area_struct *ret = tsk->mm->mmap; + struct vm_area_struct *ret = find_vma(mm, 0); if (ret) return ret; @@ -1054,12 +1054,13 @@ static struct vm_area_struct *first_vma(struct task_struct *tsk, * Helper function for iterating across a vma list. It ensures that the caller * will visit `gate_vma' prior to terminating the search. */ -static struct vm_area_struct *next_vma(struct vm_area_struct *this_vma, +static struct vm_area_struct *next_vma(struct mm_struct *mm, + struct vm_area_struct *this_vma, struct vm_area_struct *gate_vma) { struct vm_area_struct *ret; - ret = this_vma->vm_next; + ret = vma_next(mm, this_vma); if (ret) return ret; if (this_vma == gate_vma) @@ -1097,8 +1098,8 @@ int dump_vma_snapshot(struct coredump_params *cprm, int *vma_count, return -ENOMEM; } - for (i = 0, vma = first_vma(current, gate_vma); vma != NULL; - vma = next_vma(vma, gate_vma), i++) { + for (i = 0, vma = first_vma(mm, gate_vma); vma != NULL; + vma = next_vma(mm, vma, gate_vma), i++) { struct core_vma_metadata *m = (*vma_meta) + i; m->start = vma->vm_start; -- 2.28.0