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=ham 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 E7661C3F2C6 for ; Tue, 3 Mar 2020 12:17:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BF3AC20866 for ; Tue, 3 Mar 2020 12:17:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="hkwBd6aX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729230AbgCCMRH (ORCPT ); Tue, 3 Mar 2020 07:17:07 -0500 Received: from smtp-fw-6002.amazon.com ([52.95.49.90]:8346 "EHLO smtp-fw-6002.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729201AbgCCMRG (ORCPT ); Tue, 3 Mar 2020 07:17:06 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1583237825; x=1614773825; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=Xl1IWi4Z1Dj0bLzHYpJCQ1hwp+qGUrUWJYBGrCnk2FY=; b=hkwBd6aX9eh7jCriLuGvKsxxh1ReluMlp8M41PcAo5ud/OhWQVHCAIA8 oT8fF8IJRVW1ULY+uHXyQzMPIPtlnmoqSd/rUu6C1fP9CxFkqTmOfS/uY QvGacH6gta+fcnib9/xwboScjcvfDijyKdWQma8Sh2tdsIRC8tc7udwV8 g=; IronPort-SDR: HEg/APC4THAnfdMWfy+EwOuBVwyyfCH8Z2NGUizntVpBy17Eb4vjLHLro+TvtDEP1SRUgVk/+M jla3+xIUvg4w== X-IronPort-AV: E=Sophos;i="5.70,511,1574121600"; d="scan'208";a="19263255" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-2a-53356bf6.us-west-2.amazon.com) ([10.43.8.6]) by smtp-border-fw-out-6002.iad6.amazon.com with ESMTP; 03 Mar 2020 12:16:50 +0000 Received: from EX13MTAUEA002.ant.amazon.com (pdx4-ws-svc-p6-lb7-vlan2.pdx.amazon.com [10.170.41.162]) by email-inbound-relay-2a-53356bf6.us-west-2.amazon.com (Postfix) with ESMTPS id 29973A2980; Tue, 3 Mar 2020 12:16:48 +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, 3 Mar 2020 12:16:47 +0000 Received: from u886c93fd17d25d.ant.amazon.com (10.43.160.16) by EX13D31EUA001.ant.amazon.com (10.43.165.15) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Tue, 3 Mar 2020 12:16:35 +0000 From: SeongJae Park To: CC: SeongJae Park , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [RFC v4 5/7] mm/damon-test: Add kunit test case for regions age accounting Date: Tue, 3 Mar 2020 13:14:04 +0100 Message-ID: <20200303121406.20954-6-sjpark@amazon.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200303121406.20954-1-sjpark@amazon.com> References: <20200303121406.20954-1-sjpark@amazon.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.43.160.16] X-ClientProxiedBy: EX13D22UWB002.ant.amazon.com (10.43.161.28) 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 Reviewed-by: Brendan Higgins --- 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