From patchwork Tue Jan 12 16:11:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Liam R. Howlett" X-Patchwork-Id: 12013953 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=-16.6 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 15232C433E0 for ; Tue, 12 Jan 2021 16:18:32 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 950002222B for ; Tue, 12 Jan 2021 16:18:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 950002222B 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 09C008D00E1; Tue, 12 Jan 2021 11:15:39 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 04C2E8D00DE; Tue, 12 Jan 2021 11:15:38 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E7B388D00E1; Tue, 12 Jan 2021 11:15:38 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0166.hostedemail.com [216.40.44.166]) by kanga.kvack.org (Postfix) with ESMTP id B7BEF8D00DE for ; Tue, 12 Jan 2021 11:15:38 -0500 (EST) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 4CBB7180AD817 for ; Tue, 12 Jan 2021 16:15:38 +0000 (UTC) X-FDA: 77697623556.07.mine19_110654f27516 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin07.hostedemail.com (Postfix) with ESMTP id 284B21803F9A0 for ; Tue, 12 Jan 2021 16:15:38 +0000 (UTC) X-HE-Tag: mine19_110654f27516 X-Filterd-Recvd-Size: 5100 Received: from aserp2130.oracle.com (aserp2130.oracle.com [141.146.126.79]) by imf22.hostedemail.com (Postfix) with ESMTP for ; Tue, 12 Jan 2021 16:15:37 +0000 (UTC) Received: from pps.filterd (aserp2130.oracle.com [127.0.0.1]) by aserp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10CG9WMC086461; Tue, 12 Jan 2021 16:15:25 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=Wf4eY0jrpU+tNRdd4uDMXiKTRDpsbwaORjn8CEh78ic=; b=wQRSsa+1DC9aAq5KRB3ng1NYHcpnRflJnNbaOjkFSDG+bi9J3rydChdziotd20GOeMnL k5I8HiysUu4lY7Zy4xIrWB8zD+2wgnRi9MLuVFq7WBshpId3nTNSz3EKMOrFcfPvTPLY U1hCPryBOppcj59NIVLM0KbUpdlqjsQ6vn4Be1DbWb1KsotbrAr2npSxc3tjRrfcIBp+ 4c2eNLPwLPXbM0NmUzloI2KL7D6hlcbVuOY6bdM3H+3Qe7VFuxwczMUaIfalSmz4ttiM qQ5bnc93DPyEjDeBzRfT38lpPdzN0QJvlIq6UOixqdJdWV8nCYVRsdYG4/4m+uHO7puR bQ== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by aserp2130.oracle.com with ESMTP id 360kg1q56b-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 16:15:25 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10CGA0To094353; Tue, 12 Jan 2021 16:13:25 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserp3030.oracle.com with ESMTP id 360key1254-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 16:13:24 +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 10CGDOsQ004320; Tue, 12 Jan 2021 16:13:24 GMT Received: from revolver.jebus.ca (/23.233.25.87) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 12 Jan 2021 08:13:24 -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 18/70] mm/mmap: Drop munmap_vma_range() Date: Tue, 12 Jan 2021 11:11:48 -0500 Message-Id: <20210112161240.2024684-19-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 phishscore=0 bulkscore=0 malwarescore=0 suspectscore=0 adultscore=0 spamscore=0 mlxlogscore=999 mlxscore=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 malwarescore=0 suspectscore=0 clxscore=1015 impostorscore=0 spamscore=0 priorityscore=1501 mlxscore=0 phishscore=0 mlxlogscore=999 bulkscore=0 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120092 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: Signed-off-by: Liam R. Howlett --- mm/mmap.c | 23 ----------------------- 1 file changed, 23 deletions(-) diff --git a/mm/mmap.c b/mm/mmap.c index d3dfea031c0d5..1cef158c31909 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -483,29 +483,6 @@ static inline struct vm_area_struct *vma_next(struct mm_struct *mm, return vma->vm_next; } -/* - * munmap_vma_range() - munmap VMAs that overlap a range. - * @mm: The mm struct - * @start: The start of the range. - * @len: The length of the range. - * @pprev: pointer to the pointer that will be set to previous vm_area_struct - * - * Find all the vm_area_struct that overlap from @start to - * @end and munmap them. Set @pprev to the previous vm_area_struct. - * - * Returns: -ENOMEM on munmap failure or 0 on success. - */ -static inline int -munmap_vma_range(struct mm_struct *mm, unsigned long start, unsigned long len, - struct vm_area_struct **pprev, struct list_head *uf) -{ - // Needs optimization. - while (range_has_overlap(mm, start, start + len, pprev)) { - if (do_munmap(mm, start, len, uf)) - return -ENOMEM; - } - return 0; -} static unsigned long count_vma_pages_range(struct mm_struct *mm, unsigned long addr, unsigned long end) {