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 88EA1E7C4F4 for ; Wed, 4 Oct 2023 20:18:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243994AbjJDUSb (ORCPT ); Wed, 4 Oct 2023 16:18:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53534 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244022AbjJDUS3 (ORCPT ); Wed, 4 Oct 2023 16:18:29 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C012C6 for ; Wed, 4 Oct 2023 13:18:20 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B8E8CC433C8; Wed, 4 Oct 2023 20:18:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1696450700; bh=MLR6R5PbbORwjpfIgZIqaWP7S7Hd08gg2M5yEA0pQuo=; h=Date:To:From:Subject:From; b=RfV+Fw4Fa6LTJOVcRCEQqhnSuSsQqiLJn+NjwdTydMr+uspX7h/thsAa9PQ9HcXE7 nVCEFTlLTKBMb9HDZkU6b4Wyp4W/GFZSzSa6n+3jNw6rEKSNMwurxVcUyr97rBow+p xoWiQutAbLHK/6vT/ZAUyyr4js4kuI0/DiPZVfnw= Date: Wed, 04 Oct 2023 13:18:18 -0700 To: mm-commits@vger.kernel.org, rostedt@goodmis.org, corbet@lwn.net, sj@kernel.org, akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] docs-mm-damon-design-explicitly-introduce-nr_accesses.patch removed from -mm tree Message-Id: <20231004201819.B8E8CC433C8@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The quilt patch titled Subject: Docs/mm/damon/design: explicitly introduce ``nr_accesses`` has been removed from the -mm tree. Its filename was docs-mm-damon-design-explicitly-introduce-nr_accesses.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: SeongJae Park Subject: Docs/mm/damon/design: explicitly introduce ``nr_accesses`` Date: Thu, 7 Sep 2023 02:29:22 +0000 The design document is explaining about the access tracking mechanism and the access rate counter (nr_accesses), but not directly mentions the name. Add a sentence for making it clear. Link: https://lkml.kernel.org/r/20230907022929.91361-5-sj@kernel.org Signed-off-by: SeongJae Park Cc: Jonathan Corbet Cc: Steven Rostedt (Google) Signed-off-by: Andrew Morton --- Documentation/mm/damon/design.rst | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) --- a/Documentation/mm/damon/design.rst~docs-mm-damon-design-explicitly-introduce-nr_accesses +++ a/Documentation/mm/damon/design.rst @@ -163,9 +163,10 @@ assumption (pages in a region have the s one page in the region is required to be checked. Thus, for each ``sampling interval``, DAMON randomly picks one page in each region, waits for one ``sampling interval``, checks whether the page is accessed meanwhile, and -increases the access frequency of the region if so. Therefore, the monitoring -overhead is controllable by setting the number of regions. DAMON allows users -to set the minimum and the maximum number of regions for the trade-off. +increases the access frequency counter of the region if so. The counter is +called ``nr_regions`` of the region. Therefore, the monitoring overhead is +controllable by setting the number of regions. DAMON allows users to set the +minimum and the maximum number of regions for the trade-off. This scheme, however, cannot preserve the quality of the output if the assumption is not guaranteed. _ Patches currently in -mm which might be from sj@kernel.org are