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 1E7AEC433EF for ; Mon, 28 Mar 2022 11:42:57 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A52088D0002; Mon, 28 Mar 2022 07:42:56 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A01BC8D0001; Mon, 28 Mar 2022 07:42:56 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8C9218D0002; Mon, 28 Mar 2022 07:42:56 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.25]) by kanga.kvack.org (Postfix) with ESMTP id 7C1358D0001 for ; Mon, 28 Mar 2022 07:42:56 -0400 (EDT) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 3C2E21047 for ; Mon, 28 Mar 2022 11:42:56 +0000 (UTC) X-FDA: 79293608352.14.3228AF8 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf20.hostedemail.com (Postfix) with ESMTP id C7B051C0044 for ; Mon, 28 Mar 2022 11:42:55 +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 17A8C612F4; Mon, 28 Mar 2022 11:42:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 03361C004DD; Mon, 28 Mar 2022 11:42:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1648467774; bh=jMaunHAXMlJ+DWdKZ1J2mPlg8iRfvDMvaDW/Gbm28E4=; h=From:To:Cc:Subject:Date:In-Reply-To:From; b=PBhbaW+fD1BPQ93FjKM7at0JOtBDEhoYmRbtWUb2T3cyhmQJsvDADFuvCGHqzfQoW y/tlW4i31COh9bIQ+E999BDp/LVsEp0s7r2TUa8cDTI9hGfWoYZWEoEKugAFgtJY3R 3lR0v/4KDIgaxlsIVwdcimmR5o7MS13N3FYc8IyeyAzTDYE8FH8Fsj5HmsoPmf7sO/ 3koCjiH8vDU+nzQPg++KQfjrg7gWo9nwTk/T6FibfbGGawm7Pl27aQZCwsvEVS2uln +oxPDvHCFmh+2SQBDZEynsjkgYErnpDYW+fVhFpyq482heuGlQFXOo88AdiDCSvNhn I2A11bHfvRDug== From: sj@kernel.org To: Xiaomeng Tong Cc: sj@kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] damon: vaddr-test: tweak code to make the logic clearer Date: Mon, 28 Mar 2022 11:42:51 +0000 Message-Id: <20220328114251.31851-1-sj@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220328112930.31229-1-xiam0nd.tong@gmail.com> X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: C7B051C0044 X-Stat-Signature: wytthk3zsqi4j5a84z6usx3xyx9mpucn Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=PBhbaW+f; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf20.hostedemail.com: domain of sj@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=sj@kernel.org X-Rspam-User: X-HE-Tag: 1648467775-547844 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: On Mon, 28 Mar 2022 19:29:30 +0800 Xiaomeng Tong wrote: > Move these two lines into the damon_for_each_region loop, it is always > for testing the last region. And also avoid to use a list iterator 'r' > outside the loop which is considered harmful[1]. > > [1]: https://lkml.org/lkml/2022/2/17/1032 Let's have one empty line here[1]. [1] https://www.kernel.org/doc/html/v4.17/process/submitting-patches.html#the-canonical-patch-format > Signed-off-by: Xiaomeng Tong Other than the above trivial nit, Reviewed-by: SeongJae Park Thanks, SJ > --- > mm/damon/vaddr-test.h | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/mm/damon/vaddr-test.h b/mm/damon/vaddr-test.h > index 6a1b9272ea12..98b7a9f54b35 100644 > --- a/mm/damon/vaddr-test.h > +++ b/mm/damon/vaddr-test.h > @@ -281,14 +281,16 @@ static void damon_test_split_evenly_succ(struct kunit *test, > KUNIT_EXPECT_EQ(test, damon_nr_regions(t), nr_pieces); > > damon_for_each_region(r, t) { > - if (i == nr_pieces - 1) > + if (i == nr_pieces - 1) { > + KUNIT_EXPECT_EQ(test, > + r->ar.start, start + i * expected_width); > + KUNIT_EXPECT_EQ(test, r->ar.end, end); > break; > + } > KUNIT_EXPECT_EQ(test, > r->ar.start, start + i++ * expected_width); > KUNIT_EXPECT_EQ(test, r->ar.end, start + i * expected_width); > } > - KUNIT_EXPECT_EQ(test, r->ar.start, start + i * expected_width); > - KUNIT_EXPECT_EQ(test, r->ar.end, end); > damon_free_target(t); > } > > -- > 2.17.1