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=-19.0 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,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 D226FC433E6 for ; Tue, 12 Jan 2021 16:21:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9F74622AED for ; Tue, 12 Jan 2021 16:21:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406255AbhALQU4 (ORCPT ); Tue, 12 Jan 2021 11:20:56 -0500 Received: from aserp2130.oracle.com ([141.146.126.79]:54818 "EHLO aserp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2393000AbhALQPC (ORCPT ); Tue, 12 Jan 2021 11:15:02 -0500 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 10CG9VrI086407; Tue, 12 Jan 2021 16:13:42 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=3vWVb3ONfSO094YorfWSLiUmsyCUMgsICIMeGUHTxVo=; b=LhJND0jxJ7lGw6NAO5icBH8ptfALDyh8vbSUYWT5wqgLvcjmJR1rpXvwy4JI4TDx4n5N k/8TzwBkHXzi1g+2axVcmqCSTsBg7gl9QDD3mIXeDqXV1hEcAaNWxgRdbU0+yGdPaMRe yx32bd2rb05d/OuTek3rFjZ85BCoUtHAAd5i3cCdjCZ11Vrbwe2HuctCCCVPXWX8eB7+ 1a6bC2W35EceoH6E1DUQY2ztlfrW1P7Vstl+HoD8HfO3jc6Gt2xHaw1AW7IaxVzRKaG0 2dJvrpSeRUjJlyVCaHKjOgE8SmQ4bLh/Oy+mJe1F7C4BeMiTFFrKX0jiS1zazW9lojzr xw== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by aserp2130.oracle.com with ESMTP id 360kg1q4vy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 16:13:42 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10CGAWTQ161824; Tue, 12 Jan 2021 16:13:41 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3020.oracle.com with ESMTP id 360kf5q4gy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 16:13:41 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 10CGDevW017774; Tue, 12 Jan 2021 16:13:40 GMT Received: from revolver.jebus.ca (/23.233.25.87) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 12 Jan 2021 08:13:40 -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 29/70] arch/parsic: Remove mmap linked list from kernel/cache Date: Tue, 12 Jan 2021 11:11:59 -0500 Message-Id: <20210112161240.2024684-30-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 suspectscore=0 malwarescore=0 mlxlogscore=999 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 adultscore=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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Start using the maple tree Signed-off-by: Liam R. Howlett --- arch/parisc/kernel/cache.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index 86a1a63563fd5..288a25e1b1c29 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -520,8 +520,9 @@ static inline unsigned long mm_total_size(struct mm_struct *mm) { struct vm_area_struct *vma; unsigned long usize = 0; + MA_STATE(mas, &mm->mm_mt, 0, 0); - for (vma = mm->mmap; vma; vma = vma->vm_next) + mas_for_each(&mas, vma, ULONG_MAX) usize += vma->vm_end - vma->vm_start; return usize; } @@ -548,6 +549,7 @@ void flush_cache_mm(struct mm_struct *mm) { struct vm_area_struct *vma; pgd_t *pgd; + MA_STATE(mas, &mm->mm_mt, 0, 0); /* Flushing the whole cache on each cpu takes forever on rp3440, etc. So, avoid it if the mm isn't too big. */ @@ -560,7 +562,7 @@ void flush_cache_mm(struct mm_struct *mm) } if (mm->context == mfsp(3)) { - for (vma = mm->mmap; vma; vma = vma->vm_next) { + mas_for_each(&mas, vma, ULONG_MAX) { flush_user_dcache_range_asm(vma->vm_start, vma->vm_end); if (vma->vm_flags & VM_EXEC) flush_user_icache_range_asm(vma->vm_start, vma->vm_end); @@ -570,7 +572,7 @@ void flush_cache_mm(struct mm_struct *mm) } pgd = mm->pgd; - for (vma = mm->mmap; vma; vma = vma->vm_next) { + mas_for_each(&mas, vma, ULONG_MAX) { unsigned long addr; for (addr = vma->vm_start; addr < vma->vm_end; -- 2.28.0