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 5D7E3C197A0 for ; Fri, 17 Nov 2023 01:38:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229946AbjKQBiJ (ORCPT ); Thu, 16 Nov 2023 20:38:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229790AbjKQBiJ (ORCPT ); Thu, 16 Nov 2023 20:38:09 -0500 Received: from mail-pf1-x42d.google.com (mail-pf1-x42d.google.com [IPv6:2607:f8b0:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3DB53129 for ; Thu, 16 Nov 2023 17:38:06 -0800 (PST) Received: by mail-pf1-x42d.google.com with SMTP id d2e1a72fcca58-6b77ab73c6fso1132514b3a.1 for ; Thu, 16 Nov 2023 17:38:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1700185085; x=1700789885; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=EAhUsXVItApU2YCSUKvfC2gtCtARC3yWGc3BDPQUxvk=; b=IuitTHTTrQntVie1uYMBBbgJAgqhRrtSXCcr+O43JIrdI4VnOXp8xNMVcMUfZGDUf7 HQ0YrK5lAOYTFdirFY+WhyK0O2OwIFa9Kp7quz/EXIn04Q2JhGsomWKiKPNlvnPnYwsd No4uBeq1XnbvDFxL++wyVRLqDPNgXzz0wn10s= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700185085; x=1700789885; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=EAhUsXVItApU2YCSUKvfC2gtCtARC3yWGc3BDPQUxvk=; b=pVhnyqKo9i91y2qT6la9m/5znTt+fzLtS0EJ+q0FA090AQZxALznfNVqC3PM/m62md HysblqCl7DnavJIJOFF4vwM8PkKLby1cJfiBvC9IAfx5iYa+n24elzcLjEvKwnj4JsJ1 YJekOXe56R0c/FKkN1KDQpqPLi5mGdU+5RW9uRMiuotOY7to1WKqlf2BGmoS7jaYu+Pg oHHYzArgY9dFpQgjjSab/Jghxb9TS0IhpQ8zAlUY/MYMmWta8pEA60kpRHW5ycW51zIE pstSIY+U9IkpFn7QriMx+DWoTCG1Ywj+r3s6Aa8UQV0amF35h2525cX3ASbBqaVXtGqG SYWQ== X-Gm-Message-State: AOJu0YzyXj9rXeEHwQB7E8jtsdmOihNAyemWaORs2JfKMBsA1YAZSHHZ Drb9JQTjHzCdigASEauucpxhDw== X-Google-Smtp-Source: AGHT+IGAErwY2aJHDCH6I2ywGmsqu8zXWQgOf2DNznqyPW4hN0lLmi0rrls/t2mhD+GPoaLSoHcVDg== X-Received: by 2002:aa7:92c3:0:b0:68e:351b:15b9 with SMTP id k3-20020aa792c3000000b0068e351b15b9mr3889210pfa.4.1700185085666; Thu, 16 Nov 2023 17:38:05 -0800 (PST) Received: from google.com (KD124209171220.ppp-bb.dion.ne.jp. [124.209.171.220]) by smtp.gmail.com with ESMTPSA id n32-20020a056a000d6000b006b225011ee5sm374871pfv.6.2023.11.16.17.38.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Nov 2023 17:38:05 -0800 (PST) Date: Fri, 17 Nov 2023 10:38:01 +0900 From: Sergey Senozhatsky To: Andrew Morton Cc: mm-commits@vger.kernel.org, minchan@kernel.org, senozhatsky@chromium.org Subject: Re: + zram-split-memory-tracking-and-ac-time-tracking.patch added to mm-unstable branch Message-ID: <20231117013801.GB1325348@google.com> References: <20231115224146.450B3C433C9@smtp.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231115224146.450B3C433C9@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org On (23/11/15 14:41), Andrew Morton wrote: > ZRAM_MEMORY_TRACKING enables two features: > - per-entry ac-time tracking > - debugfs interface > > The latter one is the reason why memory-tracking depends on DEBUG_FS, > while the former one is used far beyond debugging these days. Namely > ac-time is used for fine-grained writeback of idle entries (pages). > > Move ac-time tracking under its own config option so that it can be > enabled (along with writeback) on systems without DEBUG_FS. > > Link: https://lkml.kernel.org/r/20231115024223.4133148-1-senozhatsky@chromium.org > Signed-off-by: Sergey Senozhatsky > Cc: Minchan Kim > Signed-off-by: Andrew Morton Andrew, I sent a small (one-liner) fixup patch [1] [1] https://lore.kernel.org/linux-block/20231117013543.540280-1-senozhatsky@chromium.org