From nobody Thu Dec 18 20:15:00 2025 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 972AACD37B9 for ; Sat, 16 Sep 2023 02:10:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238369AbjIPCKY (ORCPT ); Fri, 15 Sep 2023 22:10:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46732 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235779AbjIPCKD (ORCPT ); Fri, 15 Sep 2023 22:10:03 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9889B173C for ; Fri, 15 Sep 2023 19:09:58 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D0623C433C8; Sat, 16 Sep 2023 02:09:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1694830198; bh=DNLoykVfcLunzlqLq92ppaTwpNSuqGnLy/p/x4HnboY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VOW72m4+tcRyIHubvfGta2PK60I+MtD4+v+Xr+eH0EemTaxQPuTpCGCkUMLnjCAa+ o/2hmGpyllSeicIhd3FysLe0WsJ8ETtGUxFa7DFAmLgljTuv8bSbEQX785z8vISz2W ULi87aU+zbisxJZKBJ7bMQ5GwcLGJYKr1vBzMsiUzRCaqaatj7WjHpB7n5/570XMYj QjUNjvbxGcwD9TPVr7FBbPoMwNYPLh3eRe/8kKkE8me85m9jNJL4GfTQoKudWnzImQ vsDZ2/2R8LpB8aAXw+R0ARwhL5AEaBGZAzoS/PYxAr/WWECQg4TsDtiObwoyz/ZEpc mD1gZAGqr5wfQ== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/9] mm/damon/sysfs-schemes: use nr_accesses_bp as the source of tried_regions//nr_accesses Date: Sat, 16 Sep 2023 02:09:38 +0000 Message-Id: <20230916020945.47296-3-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230916020945.47296-1-sj@kernel.org> References: <20230916020945.47296-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" DAMON sysfs interface exposes access rate of each region via DAMOS tried regions directory. For this, the nr_accesses field of the region is used. DAMOS was actually using nr_accesses in the past, but it uses nr_accesses_bp now. Use the value that it is really using as the source. Note that this doesn't expose nr_accesses_bp as is (in basis point), but after converting it to the natural number by dividing the value by 10,000. Hence there is no behavioral change from users' perspective. Signed-off-by: SeongJae Park --- mm/damon/sysfs-schemes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c index 527e7d17eb3b..093700f50b18 100644 --- a/mm/damon/sysfs-schemes.c +++ b/mm/damon/sysfs-schemes.c @@ -31,7 +31,7 @@ static struct damon_sysfs_scheme_region *damon_sysfs_sche= me_region_alloc( return NULL; sysfs_region->kobj =3D (struct kobject){}; sysfs_region->ar =3D region->ar; - sysfs_region->nr_accesses =3D region->nr_accesses; + sysfs_region->nr_accesses =3D region->nr_accesses_bp / 10000; sysfs_region->age =3D region->age; INIT_LIST_HEAD(&sysfs_region->list); return sysfs_region; --=20 2.25.1