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 9A73EC54EE9 for ; Thu, 8 Sep 2022 18:22:33 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 31D4A6B0072; Thu, 8 Sep 2022 14:22:33 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2CC3E8D0003; Thu, 8 Sep 2022 14:22:33 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1BCA58D0002; Thu, 8 Sep 2022 14:22:33 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 0FD8D6B0072 for ; Thu, 8 Sep 2022 14:22:33 -0400 (EDT) Received: from smtpin01.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id BA2F61609E8 for ; Thu, 8 Sep 2022 18:22:32 +0000 (UTC) X-FDA: 79889738544.01.210547F Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf11.hostedemail.com (Postfix) with ESMTP id 4EAFA4007D for ; Thu, 8 Sep 2022 18:22:32 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9459161DDC; Thu, 8 Sep 2022 18:22:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6196CC433D6; Thu, 8 Sep 2022 18:22:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1662661351; bh=J68cIAc2CCed2bgOrr17GCBVeMa7VXnHmwblwXxfDmQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=upZUijli6CnLSsfh/tvmu5c5UN0c9V0kl6R+tPLmbVjDRZWzGk0MTqpSJG8vlMvT6 hcF58XysNcHBw1AMSQYc7xlQO1clUagMeoyllpW9JpkdU+bZEnSX7nqexGsEA6wtdb 3MaBwePsqsChrdmBepFLKDf8C4sNPO2qY8h8gErOd46NEH2nmbyrQjwEUS5tdsnyhX kzsyd+C5Qh+G0VPMEz5oLT1Szk6/GyKvQx05vXX8XNtA7P8GZXGwsP+S2Dnvk16NMm gMOdY2Y9J6nkl/ieTnw/lQSuL9h/KnC4MPvJdScnEEfD5qUNikW2dgfpHI82803y4s SI3DkFcRlFDMA== From: SeongJae Park To: xiakaixu1987@gmail.com Cc: sj@kernel.org, akpm@linux-foundation.org, damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Kaixu Xia Subject: Re: [PATCH v2] mm/damon/vaddr: add a comment for 'default' case in damon_va_apply_scheme() Date: Thu, 8 Sep 2022 18:22:28 +0000 Message-Id: <20220908182228.92058-1-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <1662606797-23534-1-git-send-email-kaixuxia@tencent.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=upZUijli; spf=pass (imf11.hostedemail.com: domain of sj@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=none) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1662661352; a=rsa-sha256; cv=none; b=H4kEeaFNetAxoVrhDI5olNlTApcWnLJec/fINC1nL7gmTw1OGPzf+0ShVkjvSKvKuwRMDj nG+Jy1w+wGHjspvlmCp+QgqwKJxa0MMiSW/stBDr0BXDUWuK8kWTsctC9/o/HcxEpbzCum jdZ0lB8JIkw7fTRuvdE8TWMZhHw+d8Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1662661352; 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-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=d5C6E42QASBM3YWs/GkxWqwqtH29QWmwcHR1Pa3oUVI=; b=yuBMRrMsH/IwAGgKRFp0/T98DIkpyXeyYs5kXKUNAqU1EuQ8NTisjaN1tHdB1XAvLOwfnG vsB5ZyypbVrpJfeMz0dqFt1ArQ4ZWDJ8KuVnvMqIf4Oowwu7cDmGUyEMfkABA5lUtBa9Fb tCtSZctG14fyt+idVuXJblkf/AyoUAo= X-Rspamd-Queue-Id: 4EAFA4007D X-Rspam-User: Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=upZUijli; spf=pass (imf11.hostedemail.com: domain of sj@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=none) header.from=kernel.org X-Rspamd-Server: rspam01 X-Stat-Signature: pz8zmq16w4iabngfkfzgdj7aeustuihw X-HE-Tag: 1662661352-77630 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: Hi Kaixu, On Thu, 8 Sep 2022 11:13:17 +0800 xiakaixu1987@gmail.com wrote: > From: Kaixu Xia > > The switch case 'DAMOS_STAT' and switch case 'default' have same > return value in damon_va_apply_scheme(), and the 'default' case > is for DAMOS actions that not supported by 'vaddr'. It might > make sense to add a comment here. > > Signed-off-by: Kaixu Xia Reviewed-by: SeongJae Park > --- >From next time, giving change log from previous versions of the patch here would be a good practice: https://docs.kernel.org/process/submitting-patches.html#the-canonical-patch-format Thanks, SJ > mm/damon/vaddr.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c > index 3c7b9d6dca95..3814200e61e4 100644 > --- a/mm/damon/vaddr.c > +++ b/mm/damon/vaddr.c > @@ -646,6 +646,9 @@ static unsigned long damon_va_apply_scheme(struct damon_ctx *ctx, > case DAMOS_STAT: > return 0; > default: > + /* > + * DAMOS actions that not yet supported by 'vaddr'. > + */ > return 0; > } > > -- > 2.27.0