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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3FD1CC2BB3F for ; Mon, 20 Nov 2023 20:13:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229759AbjKTUNf (ORCPT ); Mon, 20 Nov 2023 15:13:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50880 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229539AbjKTUNe (ORCPT ); Mon, 20 Nov 2023 15:13:34 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41E4CCC for ; Mon, 20 Nov 2023 12:13:31 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D1E12C433C7; Mon, 20 Nov 2023 20:13:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1700511210; bh=HKPK9G2UufCGaDNARaDvMc40FXc58638jJSncDXAC/c=; h=Date:To:From:Subject:From; b=UHI3m/WIbAwMB8AOSGzmvbKUn2Ch44tFBqymbZoXZXYx6kkV5C2fMEWwxBflXvsfS qGvAGmxqnADbb2FAESlEcfz+DEX97YW91x+G9TKKIsmZLzp3D2YO7kkvGwQT432Kt5 kiay4o9//frjD+a+97aHlLp0U+dBIqB+F/H1q3i0= Date: Mon, 20 Nov 2023 12:13:30 -0800 To: mm-commits@vger.kernel.org, davidgow@google.com, brendanhiggins@google.com, sj@kernel.org, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-damon-core-test-test-damon_split_region_ats-access-rate-copying.patch added to mm-unstable branch Message-Id: <20231120201330.D1E12C433C7@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm/damon/core-test: test damon_split_region_at()'s access rate copying has been added to the -mm mm-unstable branch. Its filename is mm-damon-core-test-test-damon_split_region_ats-access-rate-copying.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-core-test-test-damon_split_region_ats-access-rate-copying.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: SeongJae Park Subject: mm/damon/core-test: test damon_split_region_at()'s access rate copying Date: Sun, 19 Nov 2023 17:15:29 +0000 damon_split_region_at() should set access rate related fields of the resulting regions same. It may forgotten, and actually there was the mistake before. Test it with the unit test case for the function. Link: https://lkml.kernel.org/r/20231119171529.66863-2-sj@kernel.org Signed-off-by: SeongJae Park Cc: Brendan Higgins Cc: David Gow Signed-off-by: Andrew Morton --- mm/damon/core-test.h | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) --- a/mm/damon/core-test.h~mm-damon-core-test-test-damon_split_region_ats-access-rate-copying +++ a/mm/damon/core-test.h @@ -122,18 +122,25 @@ static void damon_test_split_at(struct k { struct damon_ctx *c = damon_new_ctx(); struct damon_target *t; - struct damon_region *r; + struct damon_region *r, *r_new; t = damon_new_target(); r = damon_new_region(0, 100); + r->nr_accesses_bp = 420000; + r->nr_accesses = 42; + r->last_nr_accesses = 15; damon_add_region(r, t); damon_split_region_at(t, r, 25); KUNIT_EXPECT_EQ(test, r->ar.start, 0ul); KUNIT_EXPECT_EQ(test, r->ar.end, 25ul); - r = damon_next_region(r); - KUNIT_EXPECT_EQ(test, r->ar.start, 25ul); - KUNIT_EXPECT_EQ(test, r->ar.end, 100ul); + r_new = damon_next_region(r); + KUNIT_EXPECT_EQ(test, r_new->ar.start, 25ul); + KUNIT_EXPECT_EQ(test, r_new->ar.end, 100ul); + + KUNIT_EXPECT_EQ(test, r->nr_accesses_bp, r_new->nr_accesses_bp); + KUNIT_EXPECT_EQ(test, r->nr_accesses, r_new->nr_accesses); + KUNIT_EXPECT_EQ(test, r->last_nr_accesses, r_new->last_nr_accesses); damon_free_target(t); damon_destroy_ctx(c); _ Patches currently in -mm which might be from sj@kernel.org are mm-damon-core-copy-nr_accesses-when-splitting-region.patch mm-damon-core-test-test-damon_split_region_ats-access-rate-copying.patch