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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 60869C35DFB for ; Tue, 25 Feb 2020 10:25:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3806920714 for ; Tue, 25 Feb 2020 10:25:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="llAXAobl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730251AbgBYKZz (ORCPT ); Tue, 25 Feb 2020 05:25:55 -0500 Received: from smtp-fw-9102.amazon.com ([207.171.184.29]:38138 "EHLO smtp-fw-9102.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729952AbgBYKZy (ORCPT ); Tue, 25 Feb 2020 05:25:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1582626354; x=1614162354; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=SBNXt18fiSDkKKFTHL/6fBU1JbEP1Jnn1oHT/2Qkjhc=; b=llAXAoblaH989jWHXuhP8RENMXwTjEbgCasvoBG/uku6AClmCKsE/ZIa y4xbP/NCqjyBF0u1spAKV+lXccRTZSaiWg9gpWseX+WnYMROGko5BwCHs +IoenAv3hn5BuAa9ILW1gIdk49lxyCxVJIJUdNh1wwtBU5zOk38a16OMY 8=; IronPort-SDR: c1MTE6zIDsERP/BMd3ciZjJLwc1BK/AFz+nddmSExjM4R59h+QVfYXDT8uBjP+/NwrlmNNO5iq 2rJjWWTD1niQ== X-IronPort-AV: E=Sophos;i="5.70,483,1574121600"; d="scan'208";a="27313402" Received: from sea32-co-svc-lb4-vlan3.sea.corp.amazon.com (HELO email-inbound-relay-1e-c7c08562.us-east-1.amazon.com) ([10.47.23.38]) by smtp-border-fw-out-9102.sea19.amazon.com with ESMTP; 25 Feb 2020 10:25:51 +0000 Received: from EX13MTAUEA002.ant.amazon.com (iad55-ws-svc-p15-lb9-vlan2.iad.amazon.com [10.40.159.162]) by email-inbound-relay-1e-c7c08562.us-east-1.amazon.com (Postfix) with ESMTPS id BCFF124622A; Tue, 25 Feb 2020 10:25:41 +0000 (UTC) Received: from EX13D31EUA001.ant.amazon.com (10.43.165.15) by EX13MTAUEA002.ant.amazon.com (10.43.61.77) with Microsoft SMTP Server (TLS) id 15.0.1236.3; Tue, 25 Feb 2020 10:25:40 +0000 Received: from u886c93fd17d25d.ant.amazon.com (10.43.162.53) by EX13D31EUA001.ant.amazon.com (10.43.165.15) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Tue, 25 Feb 2020 10:25:29 +0000 From: SeongJae Park To: CC: SeongJae Park , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [RFC v3 5/7] mm/damon-test: Add kunit test case for regions age accounting Date: Tue, 25 Feb 2020 11:22:58 +0100 Message-ID: <20200225102300.23895-6-sjpark@amazon.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200225102300.23895-1-sjpark@amazon.com> References: <20200225102300.23895-1-sjpark@amazon.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.43.162.53] X-ClientProxiedBy: EX13D30UWC001.ant.amazon.com (10.43.162.128) To EX13D31EUA001.ant.amazon.com (10.43.165.15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: SeongJae Park After merges of regions, each region should know their last shape in proper way to measure the changes from the last modification and reset the age if the changes are significant. This commit adds kunit test cases checking whether the regions are knowing their last shape properly after merges of regions. Signed-off-by: SeongJae Park --- mm/damon-test.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/mm/damon-test.h b/mm/damon-test.h index c7dc21325c77..2ba757357211 100644 --- a/mm/damon-test.h +++ b/mm/damon-test.h @@ -540,6 +540,8 @@ static void damon_test_merge_regions_of(struct kunit *test) unsigned long saddrs[] = {0, 114, 130, 156, 170}; unsigned long eaddrs[] = {112, 130, 156, 170, 230}; + unsigned long lsa[] = {0, 114, 130, 156, 184}; + unsigned long lea[] = {100, 122, 156, 170, 230}; int i; t = damon_new_task(42); @@ -556,6 +558,9 @@ static void damon_test_merge_regions_of(struct kunit *test) r = damon_nth_region_of(t, i); KUNIT_EXPECT_EQ(test, r->vm_start, saddrs[i]); KUNIT_EXPECT_EQ(test, r->vm_end, eaddrs[i]); + KUNIT_EXPECT_EQ(test, r->last_vm_start, lsa[i]); + KUNIT_EXPECT_EQ(test, r->last_vm_end, lea[i]); + } damon_free_task(t); } -- 2.17.1