From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5400B79CD; Fri, 28 Nov 2025 15:16:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764343017; cv=none; b=opQXmma79V30xT7Aupd9WLw7meWYwsj1suDTHG1atQaJOYuaINBWTkhn1AP2q2R0/afzD+Rrv6yYGJi6bVQgpCNFAYmwBpovqd4LdqCXwCIh9cTb9Erx8CcI5fFU33yrdafXyMFhFDfpYxHnNnFgirOTCOw53443GbaSPPrXCNk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764343017; c=relaxed/simple; bh=C2i9DHlVy9Af3Hnd6WgShSfkfF+fANKoO9DXERIt06Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=LKSpfxfDs/SMfcuSoTUqG5Wy/XuWU+VFedh+euF2pSccyM9Ijq8Jp8yqwM4YV7rJGd+1CxtKWQI7km3Ly3k6q7yjJ1j+7SlWgsbsPUvcdH77z2yLnztRkZtEWuu5k6Jby291aHyOm5RIZJvqousHOatdnmFp8vmRs33qc16tUkA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=YjG4Ithc; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="YjG4Ithc" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=LaW/YoAvMSDe/moOCsqb0QJzpCY35I32KENZPoTiBUg=; b=YjG4Ithc1T0Ik2lhrG8fr4ojOv 6YleouwfbfVKgMURgM8ubUHPfioizu72Z47W/+Gi6CQJIRfQWAqBsHYZNEkvxiCJ6paUudNWZMz+A rddV7+LQrb9ufPNv9f1f5keIPkSyn2L9OSQKpyCjXx1lswiX/TnrTkZLTsH8YWKh34MzsqCFzmQOf HRlKO+Un+he2XICk6+wGwfEQtLjpYkwOm12E+4tQW+zBRGdVviqU43TGabpdTg3fpuda5wS2/DE7v vZMWDZA02j87K/7rjEV1dNApUGSUFbaaFyg+Js7Wq9nTnhB7Yt6urQTnCWnlRncMXygodjVm2FnrK gylzBf2g==; Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vP0D6-0000000DMbQ-0utI; Fri, 28 Nov 2025 15:16:36 +0000 Date: Fri, 28 Nov 2025 15:16:35 +0000 From: Matthew Wilcox To: Zicheng Wang Cc: akpm@linux-foundation.org, hannes@cmpxchg.org, david@redhat.com, axelrasmussen@google.com, yuanchu@google.com, mhocko@kernel.org, zhengqi.arch@bytedance.com, shakeel.butt@linux.dev, lorenzo.stoakes@oracle.com, weixugc@google.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, corbet@lwn.net, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/3] mm/lru_gen: move lru_gen control interface from debugfs to procfs Message-ID: References: <20251128025315.3520689-1-wangzicheng@honor.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251128025315.3520689-1-wangzicheng@honor.com> On Fri, Nov 28, 2025 at 10:53:12AM +0800, Zicheng Wang wrote: > Case study: > A widely observed issue on Android is that after application launch, > the oldest anon generation often becomes empty, and file pages > are over-reclaimed. You should fix the bug, not move the debug interface to procfs. NACK.