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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 8FB52C43603 for ; Wed, 18 Dec 2019 01:05:03 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 497E0206D7 for ; Wed, 18 Dec 2019 01:05:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lca.pw header.i=@lca.pw header.b="YKZDqNeB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 497E0206D7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lca.pw Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id EA6B38E00BC; Tue, 17 Dec 2019 20:05:02 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id E57EA8E0079; Tue, 17 Dec 2019 20:05:02 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D47628E00BC; Tue, 17 Dec 2019 20:05:02 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0072.hostedemail.com [216.40.44.72]) by kanga.kvack.org (Postfix) with ESMTP id BF7088E0079 for ; Tue, 17 Dec 2019 20:05:02 -0500 (EST) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with SMTP id 592A12816 for ; Wed, 18 Dec 2019 01:05:02 +0000 (UTC) X-FDA: 76276468044.28.wren83_ecbbbbf64509 X-HE-Tag: wren83_ecbbbbf64509 X-Filterd-Recvd-Size: 3374 Received: from mail-qk1-f195.google.com (mail-qk1-f195.google.com [209.85.222.195]) by imf39.hostedemail.com (Postfix) with ESMTP for ; Wed, 18 Dec 2019 01:05:01 +0000 (UTC) Received: by mail-qk1-f195.google.com with SMTP id c17so136963qkg.7 for ; Tue, 17 Dec 2019 17:05:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lca.pw; s=google; h=content-transfer-encoding:from:mime-version:subject:date:message-id :references:cc:in-reply-to:to; bh=sld6a89pn07jnCTreDbWf+XCvPgeq/jEdPdZR+zlDiU=; b=YKZDqNeBlB1wJXmrEsjksdSKNP2eFC+JDKM/dvaGGsfsPwS3HmikNNkcp4Nk56JrCP rq/5Q2/xbV9kR78+EiA+5adBzg6Rsgt8a1kXeRkxWRJPWBXUtmEI8Gb4YtbK9K12qEla cXd4fQuCfpYgOhGG091qvqpWsSf7JRUEqhcQ6tP0eN1hf5CpCEXPIy6EzIEQhpg5ncj1 yyBtTZHcXaERQp0TGlc5Ybc1e4Oy1fS+Q+N0L6Jo7ql4V2jRWj+p13iEjfZWupDUAHgA X6DsEncdww8yY8rnHlBJLZfKvFsaw36nZs/oatycyHwS2u+8W4jwccbhAYegj1lCvhut DAcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:from:mime-version :subject:date:message-id:references:cc:in-reply-to:to; bh=sld6a89pn07jnCTreDbWf+XCvPgeq/jEdPdZR+zlDiU=; b=ixhf9XcKqCrNFK4XN+4F3RVwCG/BsarUx5+1XXDGkGMNAoj6f6plM0/0N2gFIY2NQM u98cAugIZ17ZKDJyJcqghm77fRXUGzmTYvjTRhI8LG+dhzdqtJU0jDxbR9Covavou3eb hM88Pw9h5E2NLtUy9V20Q37KdwRXrmKyNJmDZITtJLlUBpy3bSJZza4ZMrcIMOBVReCN i845N6KrRDLbM8HyXdpHJteQBoxT39SxB7AglES7Pn5SXjSFEQeu/EV8HW654VzALeuj zUOZ3p9GnQmgCDLy7enuSog8XM5v2aJt/M2gOufZ/5/jiutuj+ByJC2q3mfm+2984dTu oLew== X-Gm-Message-State: APjAAAXNlZCRhd7TJYulcR4gzRx/tFnNJpBNHSTsBkplsmXTf5VC+r7M AJH7u/UsaeJjwCg5cdDfSZEXeG6duCI= X-Google-Smtp-Source: APXvYqwXmfxhnf9EpgsNYHh06aUb9+Y90bNn0CHHgO+wdS7QKw0g2HNFVywIZtIQRaeOjeCDgQippw== X-Received: by 2002:ae9:ea08:: with SMTP id f8mr905091qkg.489.1576631100565; Tue, 17 Dec 2019 17:05:00 -0800 (PST) Received: from [192.168.1.183] (pool-71-184-117-43.bstnma.fios.verizon.net. [71.184.117.43]) by smtp.gmail.com with ESMTPSA id t73sm133770qke.71.2019.12.17.17.04.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 17 Dec 2019 17:05:00 -0800 (PST) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable From: Qian Cai Mime-Version: 1.0 (1.0) Subject: Re: [PATCH] mm: remove dead code totalram_pages_set() Date: Tue, 17 Dec 2019 20:04:59 -0500 Message-Id: References: <20191218005042.GB23703@richard> Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org In-Reply-To: <20191218005042.GB23703@richard> To: Wei Yang X-Mailer: iPhone Mail (17C54) X-Bogosity: Ham, tests=bogofilter, spamicity=0.044775, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Dec 17, 2019, at 7:50 PM, Wei Yang wrot= e: >=20 > Took a look into the history. This function is introduced in=20 >=20 > commit 'ca79b0c211af' (mm: convert totalram_pages and totalhigh_pages > variables to atomic) >=20 > Even in this commit, no one use this function. It occurs to me that function was a part of API design as a placeholder whic= h might be used in the future.=