Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp5233274ybl; Tue, 14 Jan 2020 05:47:27 -0800 (PST) X-Google-Smtp-Source: APXvYqyjU60IbDX8snEOP3YXsUtK8y914yiaOkyVslTAoT4rXDsqklrkQorBjssCa5/A+jcFaUDv X-Received: by 2002:a05:6830:1d6e:: with SMTP id l14mr16854899oti.32.1579009647395; Tue, 14 Jan 2020 05:47:27 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1579009647; cv=none; d=google.com; s=arc-20160816; b=DKr77vEolWKj5TGL4b/LWY57injZ7Oyae/3qKcKHByc4RoUToBpx8d2vpyFpZqdf6H hMKX/8A7q9f3s47sYLmLoDOcQZKlVLf1uR/CUAeVe4hDH+C8Fx5ZdhkJS6D/bSNZNL3e qqodVtl8fJdjDv7R5yfoSJl2pKOZZGdTto1OrYXIoxDlz6EDxOvZFNbmpQ5fHRa9MXRP O+3z97zFrHtVVFbi0lfAdYwTCEhMiz+vsteCKfNX3SmB6Ef37gCBJSaaNUOiJ+YOnzow +gk0TqfdEdm7Hi9FknhjK6/kQTM7XO3mCWhygDlY+rRTHB8PZ1wzBh9SeE0V74AlGzV+ rsHg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:to:in-reply-to:cc:references:message-id :date:subject:mime-version:from:content-transfer-encoding :dkim-signature; bh=FJt5ul6jSl2oFgQgoNYCrlZqJ8ZxSmr3QhwWHFt0fl0=; b=BwsvOGgQKiLj6ygkWkhUDdYgYdX2jnvqoliQ7Og3bnjxiNlHVt5DJ704Fgm//Qh7rS PJQcWD76pvh7DLMQvdn9khWG9ce8II9GIF4xGMeybc5up6l9aGvU3IPHL+V5FwbcjO4x OBWLFtUElSRyjIa6eijtArGPLG6a3S0rn4Xl+qm3RL+1hbB7QlQt3ZsOc8ZltxcHVaaT R13OD1bUo7ILpBOpNzWf3U/qRUtvXQS9w/570eANxK94yrOcLa87NfcFOHfZXoOcPAuY nwPxR7q7jfd4zBCbsWg8UX4+PdyJM6N3IbYFPrKX09nen4p4iLIoa2D1XYH5tcGjf+Fe Vb4w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@lca.pw header.s=google header.b=jlTtnwmX; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n2si8373600otk.177.2020.01.14.05.47.16; Tue, 14 Jan 2020 05:47:27 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@lca.pw header.s=google header.b=jlTtnwmX; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728787AbgANNqY (ORCPT + 99 others); Tue, 14 Jan 2020 08:46:24 -0500 Received: from mail-qt1-f193.google.com ([209.85.160.193]:46014 "EHLO mail-qt1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726038AbgANNqX (ORCPT ); Tue, 14 Jan 2020 08:46:23 -0500 Received: by mail-qt1-f193.google.com with SMTP id w30so12409424qtd.12 for ; Tue, 14 Jan 2020 05:46:23 -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=FJt5ul6jSl2oFgQgoNYCrlZqJ8ZxSmr3QhwWHFt0fl0=; b=jlTtnwmXXaDZbMLFdDf9rwr5nOnDzERvvJZeZRJJ4nklL+kf4y4RYe2uFCwecObjDt NOpcGc8JN0hIY1RA5TJaAGT2Kt+Br5DTYoXKnDBA6D4vWMDVIy9akjaGEezKyscsmgF5 1JVRcnV+SPxc81HX2DRsNQ6LmeYErSfjszdJ51njd0gaYDjIsc2qY96jQlmFvbcH15J+ w9p1jCZ4uLAhjRnUEAQa8lxV+MMYSoz0V+zv6zBMTYtoPlSsKHW4V9RwFyqjLHBfmnKG C7ejF5aUKxM5mf46atR1oNZ8r9qQSV3ahe4YHWM6LJN1Ah949eVDQRPfPLzvE8K5iK0Y 6U4A== 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=FJt5ul6jSl2oFgQgoNYCrlZqJ8ZxSmr3QhwWHFt0fl0=; b=eXsJ16oWquOEg8Z7oD1i/QZdLJXaCRCx4zG5FfPvwbiYsboZGFChcTmX8tve+spgI7 3ZSjDjhUXMOs7HNn1c0KwfMPkdAr3BpTRt/4CgDYrKYX3dzfvl330D9jL5o6+1nePIAa BJLw310HaVcAfjlGJdmkBcChTacOCELY7fH8MBIyGkApxLe+t7W3ESN185jeH411nx2a ajGiWqndVA+4z1XULO17mbhp1vQnHbGrQwPOqObf8O6Kl0VyTNNAF4zscJ5ebuc+Y9wp AGHn2xBXx3/rxPT0Qf575Flpa+2R36DguWeceinkoPZ2WgLJR4Rz/xzMSZqhct0CwwqT tNZw== X-Gm-Message-State: APjAAAUuF0IwKNpyUnS02ZIeL71NAbeSeVKmz4lm5FFtPTCwr7IiOOpy weDSIZpWoVndh84Cz3yBJbG5opAVQwPW9w== X-Received: by 2002:ac8:a8b:: with SMTP id d11mr3570022qti.94.1579009582711; Tue, 14 Jan 2020 05:46:22 -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 l44sm7724328qtb.48.2020.01.14.05.46.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 14 Jan 2020 05:46:22 -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/vmscan: remove prefetch_prev_lru_page Date: Tue, 14 Jan 2020 08:46:21 -0500 Message-Id: References: <1579006500-127143-1-git-send-email-alex.shi@linux.alibaba.com> Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org In-Reply-To: <1579006500-127143-1-git-send-email-alex.shi@linux.alibaba.com> To: Alex Shi X-Mailer: iPhone Mail (17C54) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Jan 14, 2020, at 7:55 AM, Alex Shi wrote: >=20 > This macro are never used in git history. So better to remove. When removing unused thingy, it is important to figure out which commit intr= oduced it in the first place and Cc the relevant people in that commit.=