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=-5.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 C73A7C0044D for ; Mon, 16 Mar 2020 22:16:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9F21720679 for ; Mon, 16 Mar 2020 22:16:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rDUrqXNf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732765AbgCPWQb (ORCPT ); Mon, 16 Mar 2020 18:16:31 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:32781 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732652AbgCPWQb (ORCPT ); Mon, 16 Mar 2020 18:16:31 -0400 Received: by mail-wr1-f66.google.com with SMTP id a25so23243676wrd.0 for ; Mon, 16 Mar 2020 15:16:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:reply-to:references:mime-version :content-disposition:in-reply-to:user-agent; bh=7ipMDfBVAMyLNbQEs0O89B52Q8CgpEgd0HJoy940o84=; b=rDUrqXNfQ6QAZRw1ebLOjgAmUY+zdBr/wr00Tn9UVbDVWZh0L3BrZgTtDRjyi3HpnV POReGPeXPkc0ibX6k9TNC99d7hLNevV8kBX3o0kQqjPglLW8YRDHmS3CQNkWnXj8BK1k b2M0iILM5iMMngmdVKiQ4ywPpuqNotHwmYagYaLWtY+B/5KVpUQgUceqxLv9NcTuNNx0 G7EY6IUycmSs0BMXvF/XtA4LLeczibS6ptxcBaEo/TqMF93bUyME3wkgt7G65nO8MWRV tqxYhIIZeypq9I5cwvRqkhnwzXu7cvBTvhHSiCcGFK3964eWIlpdvdeJf87DjXITVV6f Rx7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:reply-to :references:mime-version:content-disposition:in-reply-to:user-agent; bh=7ipMDfBVAMyLNbQEs0O89B52Q8CgpEgd0HJoy940o84=; b=kofL+ZqqR+iGq1e8bA9k9kMvGny2i74MSR31GvGHjhbq/gazDM/EZYH5oKvysSifBf GziGqcJLCtWMyGEnUGXoihgAiUfAUL5MqGvEAannFIqxwmFYPsvXA/sb7D7YZfO40BBz plo/Fev49lKs3Guj4DJ2J4GgOhgMeyeYD1142qPAWihNqnVURb9BSHXicqmRj1jm0205 VElplfWYgaMcAm9manMALsXoOBOdn5nqiqq7D8hYAplbIYc6Ly095nlGVUbpHLrOCMsD r0US3q45HxhIs4xrMx9zUQkJNbMyupap4NZ7Xkd9O6rARCnjvM+WEtP9IZkYaDAkuoYQ gu1A== X-Gm-Message-State: ANhLgQ2J1vVDgxHvFVimspaVJvGx0leTp506W4f9XPKjMF1V0mqAUPDM Uz12wZIRBm1MmzvOgrUcLcU= X-Google-Smtp-Source: ADFU+vuFbwnhRFo5Dda/vLml2HSpZlyhdRruCctRD8yqem72BZLQBJ7jeAyH/wR91BpnxK/5cGgFdA== X-Received: by 2002:adf:b197:: with SMTP id q23mr1548867wra.412.1584396988286; Mon, 16 Mar 2020 15:16:28 -0700 (PDT) Received: from localhost ([185.92.221.13]) by smtp.gmail.com with ESMTPSA id k5sm1250889wmj.18.2020.03.16.15.16.27 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 16 Mar 2020 15:16:27 -0700 (PDT) Date: Mon, 16 Mar 2020 22:16:26 +0000 From: Wei Yang To: Baoquan He Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, akpm@linux-foundation.org, david@redhat.com, willy@infradead.org, richard.weiyang@gmail.com, vbabka@suse.cz Subject: Re: [PATCH v5 1/2] mm/sparse.c: Use kvmalloc/kvfree to alloc/free memmap for the classic sparse Message-ID: <20200316221626.lyepjuubytto32vz@master> Reply-To: Wei Yang References: <20200316102150.16487-1-bhe@redhat.com> <20200316125450.GG3486@MiWiFi-R3L-srv> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200316125450.GG3486@MiWiFi-R3L-srv> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 16, 2020 at 08:54:50PM +0800, Baoquan He wrote: >This change makes populate_section_memmap()/depopulate_section_memmap >much simpler. > >Suggested-by: Michal Hocko >Signed-off-by: Baoquan He >Reviewed-by: David Hildenbrand >Acked-by: Michal Hocko >Reviewed-by: Pankaj Gupta >Reviewed-by: Matthew Wilcox (Oracle) Reviewed-by: Wei Yang -- Wei Yang Help you, Help me