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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8733CC433FE for ; Mon, 24 Jan 2022 18:17:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241782AbiAXSRK (ORCPT ); Mon, 24 Jan 2022 13:17:10 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:28715 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235979AbiAXSRJ (ORCPT ); Mon, 24 Jan 2022 13:17:09 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1643048228; h=from:from: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; bh=cXCp/3WRPdbQGrhdFuzXkJTii1DEyN3+UMPeAGL1KzA=; b=STGg+4NYmV8Pa8jSetbMW7HuS2oC4oIr6MyiNPoi63BrZELm8PMOXih7CTajbxZjWvQt3M er/oXf1w0ylc/y+Dga3AqZMrMXvzkLM8+T5URSn/kOS/vb24QVEujF1sStStvCtNmrebR2 CNsxclbEp8SVBBKVOK2WWmuBuX/Dq6A= Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-112-KPcmZWE6PMSlbBT_52T4Sw-1; Mon, 24 Jan 2022 13:17:06 -0500 X-MC-Unique: KPcmZWE6PMSlbBT_52T4Sw-1 Received: by mail-wm1-f70.google.com with SMTP id v185-20020a1cacc2000000b0034906580813so15380623wme.1 for ; Mon, 24 Jan 2022 10:17:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:organization:in-reply-to :content-transfer-encoding; bh=cXCp/3WRPdbQGrhdFuzXkJTii1DEyN3+UMPeAGL1KzA=; b=gZYCelj7SYnN+vZ3cBNgM/AEyYpxuQmGIEJJ/I3BhbC4hv9ktUx23a0D3CysQ2dkg6 ZEdvMV1uXU0EvfbHS15LX6N0E0kRZfJK+cydLUGMTCdMoSKzeL7Iwy3VbiuPqFadTNbW 5wLjRLDsE1mZ3v2CGwST3D5EzXGO5fCVgMmKgN72x2YjWNnI0nlQGdr6gQlI1p+un/Vr JjI4qpTOo7MB9GVVkWnOEmwrYPzumbdHhb8okvwghyUyd2AOalIiu+SMOh6puWWVX0Z2 QRtDMKOaiJuOADYtQllFDyvlaMvFpQCykCWcauR23fyXEq/69h5CJyP+pR3NhGHGdgOF cNYQ== X-Gm-Message-State: AOAM530Ard/DGTHHHT++VDXnUOQvEONz2Ny/rBZyz0L84dIjoyFCSDgg 8ob2VvwzOzlzD/lgHljJEz/CvfNpdnsfsngZTPR/Cw+m17RDbRUoWK/A09RNPqkAC9Fpa2HYzVc g+kfNBQlkod+n74Kn+FmhYp23 X-Received: by 2002:a5d:62cb:: with SMTP id o11mr9848754wrv.62.1643048225632; Mon, 24 Jan 2022 10:17:05 -0800 (PST) X-Google-Smtp-Source: ABdhPJzFwCMIj36ND3f3CCu8RXmMSlBJWyR1XuYwbYGBwkLytFBepvBIAjw5RJdLWqMBIr8e0Ks1kg== X-Received: by 2002:a5d:62cb:: with SMTP id o11mr9848739wrv.62.1643048225375; Mon, 24 Jan 2022 10:17:05 -0800 (PST) Received: from ?IPV6:2003:cb:c707:cb00:cd6b:7964:cc7d:b0e6? (p200300cbc707cb00cd6b7964cc7db0e6.dip0.t-ipconnect.de. [2003:cb:c707:cb00:cd6b:7964:cc7d:b0e6]) by smtp.gmail.com with ESMTPSA id i3sm36623wmd.30.2022.01.24.10.17.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Jan 2022 10:17:04 -0800 (PST) Message-ID: <5f81c8a3-a07a-5651-b0d6-5082c5677e3d@redhat.com> Date: Mon, 24 Jan 2022 19:17:04 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: [PATCH] mm: page_alloc: avoid merging non-fallbackable pageblocks with others. Content-Language: en-US To: Zi Yan , Mel Gorman , linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Vlastimil Babka , Mike Rapoport , Andrew Morton References: <20220124175957.1261961-1-zi.yan@sent.com> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20220124175957.1261961-1-zi.yan@sent.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 24.01.22 18:59, Zi Yan wrote: > From: Zi Yan > > This is done in addition to MIGRATE_ISOLATE pageblock merge avoidance. > It prepares for the upcoming removal of the MAX_ORDER-1 alignment > requirement for CMA and alloc_contig_range(). > > MIGRARTE_HIGHATOMIC should not merge with other migratetypes like > MIGRATE_ISOLATE and MIGRARTE_CMA[1], so this commit prevents that too. > > Remove MIGRARTE_CMA and MIGRATE_ISOLATE from fallbacks list, since they > are never used. > > [1] https://lore.kernel.org/linux-mm/20211130100853.GP3366@techsingularity.net/ > > Signed-off-by: Zi Yan > Acked-by: Mel Gorman Acked-by: David Hildenbrand -- Thanks, David / dhildenb