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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 29F5EEB64D7 for ; Tue, 27 Jun 2023 03:07:01 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 99B718D0003; Mon, 26 Jun 2023 23:07:00 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9221C8D0001; Mon, 26 Jun 2023 23:07:00 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7C3418D0003; Mon, 26 Jun 2023 23:07:00 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 6783C8D0001 for ; Mon, 26 Jun 2023 23:07:00 -0400 (EDT) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 40586A0878 for ; Tue, 27 Jun 2023 03:07:00 +0000 (UTC) X-FDA: 80947041000.02.35D824F Received: from mail-qt1-f171.google.com (mail-qt1-f171.google.com [209.85.160.171]) by imf02.hostedemail.com (Postfix) with ESMTP id 77D8C8001C for ; Tue, 27 Jun 2023 03:06:58 +0000 (UTC) Authentication-Results: imf02.hostedemail.com; dkim=pass header.d=google.com header.s=20221208 header.b=U+XAZ3T2; spf=pass (imf02.hostedemail.com: domain of yuzhao@google.com designates 209.85.160.171 as permitted sender) smtp.mailfrom=yuzhao@google.com; dmarc=pass (policy=reject) header.from=google.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1687835218; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=vHjDKRRl/15ekTuy08miOOxy3w0/yhMNRIiKSHMWeKc=; b=5FwszhS0cUO5MEnjNJkKZk3EXt6Nl5IrENSeoWDk3meD5c2TVU3ekMdH2oiGqQHJcMflr6 3MTwpdBS4QKuqSe95q9qRbTvaHKrTvWFyZZKJvrIddB4xqFI7klZzFwzIpp13HuhAS169F N3Uy7zewYrpnjpeSR6KepeAqSQJqaV4= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1687835218; a=rsa-sha256; cv=none; b=DJ/eVzHvTv6XuHYzgwSSpXGq69cOhw42aOHIIX2MyhUFSo3g0uLUKYNwC+WYha9XM4V2Gr ktbLNEtioD/0Eyk/QWVnSewnyNIFoak5gDt9wNfERHP8zHxMCJ2mALzPtMOknYpom0YraH giRl+Azinwr6YSr9PDdHwVqL3b6v734= ARC-Authentication-Results: i=1; imf02.hostedemail.com; dkim=pass header.d=google.com header.s=20221208 header.b=U+XAZ3T2; spf=pass (imf02.hostedemail.com: domain of yuzhao@google.com designates 209.85.160.171 as permitted sender) smtp.mailfrom=yuzhao@google.com; dmarc=pass (policy=reject) header.from=google.com Received: by mail-qt1-f171.google.com with SMTP id d75a77b69052e-401f4408955so92871cf.1 for ; Mon, 26 Jun 2023 20:06:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1687835217; x=1690427217; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=vHjDKRRl/15ekTuy08miOOxy3w0/yhMNRIiKSHMWeKc=; b=U+XAZ3T2dIrYSDRflvSR1rmzQYNaCDWIXrwa1SuzZyMaNy4R1Z9M7iKbPChbnEUUcN HbNR42w6rgICSGyutbOx3FUPFNrEn/y7PrelQZJmyCIivX/xaF9v3GFiJpnhAtYeu4RI /ZCmbFdAX8t40oXyMcprKrsltgmdVNvgUKpuOluQcm4IA1tHAnjOewZE9hAeGjLHQPzC F4j8dAcFO/tUYsA1CRgw8DhT52AI7ytP29bgeMTekvzrlL0PghVPLmiES2dlOXNuNOv9 MjlQKW2/dQnNI81iD4ySLmnOu8yM7NHqS0Y6SWD1+C1voL+3X694zE5VmhYQ+Sl+KeBK q2gg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687835217; x=1690427217; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=vHjDKRRl/15ekTuy08miOOxy3w0/yhMNRIiKSHMWeKc=; b=Luyuv7kEequqT29Cour0iYb+E3unocWBHm/v02SdIZrAAGNcMunBdhmmh2w03clzIJ 6iRMNo4sgz8rdoJeZr9y9voOqrVBeV3JSOapHsIumdamyP6xns7COFF2MiIjbLhnZYxJ /+0iwfTX95spRuw1yn2zj8o4oX73aTTh97Lc+R34ukU9aRIbmBjqGOQ4JswhaxAtEaZU BYqZUlkMb2hIfJEUIaHyIow2dJuDawGh3QvKtKObt4XlhZg66fliZ1aOkdvtbpC06jDp JFcRuKK3690c57lptmgFGu/squ5pIlY+9Tg6YEjg0BSszxvNbghBDRWxhcar+HcxtO3S FINQ== X-Gm-Message-State: AC+VfDw5Z4yE2LvKzJ8LliJpGrARPAwtHe/1xU7X+AKeYvvIgheFyQbe fJZ+n4UNpIWivaiV8ujoTjs6/NcDHQRLxMti57dB4Q== X-Google-Smtp-Source: ACHHUZ5p5sW4PXCHzSz3Bi+SKvcosf62y2SJQOFc8Eaih/xwzKdQqVu4Rv48gDYQD7M4asyor1cgbPKZvcH6CWAHIzY= X-Received: by 2002:ac8:59c1:0:b0:3e8:684b:195d with SMTP id f1-20020ac859c1000000b003e8684b195dmr619236qtf.10.1687835217476; Mon, 26 Jun 2023 20:06:57 -0700 (PDT) MIME-Version: 1.0 References: <20230626171430.3167004-1-ryan.roberts@arm.com> <20230626171430.3167004-6-ryan.roberts@arm.com> In-Reply-To: <20230626171430.3167004-6-ryan.roberts@arm.com> From: Yu Zhao Date: Mon, 26 Jun 2023 21:06:21 -0600 Message-ID: Subject: Re: [PATCH v1 05/10] mm: Implement folio_remove_rmap_range() To: Ryan Roberts Cc: Andrew Morton , "Matthew Wilcox (Oracle)" , "Kirill A. Shutemov" , Yin Fengwei , David Hildenbrand , Catalin Marinas , Will Deacon , Geert Uytterhoeven , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-s390@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 77D8C8001C X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: yqa4cne3atgd5ciri8re7gr5dqnqsdqu X-HE-Tag: 1687835218-377761 X-HE-Meta: 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 TsSwNirL DddPhWzSn7Hz/07K77+ezMt8jHCmm6++/FiO3FkG9sHHChDmdm6Evd6IYz3tn0IR7p/heTZZzERpjfc5cauyhulwJGF+K031iAsnrQY+mr7mx5+RBQsqNPUqgjtaSNwwTlW6zGZ8kUyJmxtqDXiyN8AhE8RsRAOFUF6sfSJlQGyZL0dooSHi2GyxNSs2luBaA64sp5k4a3KQCIzeyn9wO5A1zktAITP087aj3mL2eh1uidMO5XPHHF+R+KcFmz1S+n2S0ZJOfA1tkLxPykTdtXho9vcwjaIiXYAtm16pOTredY7uB2b3wpTHvfVGpYiy6Nmun6O83WbtIfwgMwHBS6hZDPv2Dy5WM2bwUHutOFeTdmfk= 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: On Mon, Jun 26, 2023 at 11:14=E2=80=AFAM Ryan Roberts wrote: > > Like page_remove_rmap() but batch-removes the rmap for a range of pages > belonging to a folio, for effciency savings. All pages are accounted as > small pages. > > Signed-off-by: Ryan Roberts > --- > include/linux/rmap.h | 2 ++ > mm/rmap.c | 62 ++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 64 insertions(+) Sorry for nagging: this can be included in a followup series.