From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 9724B3B42C4; Fri, 28 Aug 2026 18:36:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787942216; cv=none; b=JDgk3SzP4Pwerfzr2VaQCj8OYskri83JivGnKvMtSCHtJRiral3HVBuGI0ua5mvBAZ+grypVMhIgbUtsl0VS00vlgkDKvSuPBcGTbRQ7dxaaDtNfhDw+tQ79JA0OfjAdiMgIzEudBkNwzA/ShD/TFbaJL0zXM5wz7a+TjlpQZc4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787942216; c=relaxed/simple; bh=ybJ76zQUL8VN4OJYyTX1Wsg/oFaOaDFLGV+k0QHh1b0=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=QYJBHkXOFCd+reWkpgCbPWntzbXeC7+twoAoDrxorNIAzS2p9lJfNFyxRTzptVuKY1AMA1CEivUvWaZiNRxfvo4N0nb1JHZm7JynwONMpCfQEdmBgUOi1h6QRCGt0qYKPstmylmN6kr4rA5NTQqXK19FwQwE4QVF+s/XDjli5l4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=yQyk69T+; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="yQyk69T+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C266B1F000E9; Fri, 28 Aug 2026 18:36:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1787942215; bh=gbn49kAAPUgUC+oEM+rUHWn7hXR94lgTDWdzdwQhvBs=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=yQyk69T+hrkrj6khDh9IxOsJiuyHv14Nj+E52yTtQdaqGJ4G2In+sdgqdeJKUQ0G1 uICrkPblJSCQ2wdbbLRv7D93URitNuMpUU+E7AzFMO9LrGXpOnxtpBHm7LkBuld4yn qEplW5wtIrT+4CEGo+YWUYYv4ApomHqA7C0yRZPw= Date: Fri, 28 Aug 2026 11:36:54 -0700 From: Andrew Morton To: "Lorenzo Stoakes (ARM)" Cc: Zhen Ni , David Hildenbrand , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jonathan Corbet , Shuah Khan , Randy Dunlap , Brendan Jackman , Johannes Weiner , Zi Yan , linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/8] mm/page_owner: Add PID/TGID/COMM and cgroup filtering Message-Id: <20260828113654.d01abd8baed3f73e87506eb3@linux-foundation.org> In-Reply-To: References: <20260828031339.1270699-1-zhen.ni@easystack.cn> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) 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-Transfer-Encoding: 7bit On Fri, 28 Aug 2026 08:03:38 +0100 "Lorenzo Stoakes (ARM)" wrote: > On Fri, Aug 28, 2026 at 11:13:31AM +0800, Zhen Ni wrote: > > This patch series adds process and memory cgroup filtering support to > > page_owner. Following the previous series that introduced print_mode and > > NUMA node filters: > > https://lore.kernel.org/linux-mm/20260707115411.1714314-1-zhen.ni@easystack.cn/ > > > > This series adds filtering capabilities to page_owner, allowing users to > > filter output by specific processes and memory cgroups. Users can now > > filter page_owner output by PID, TGID, COMM (with wildcard support), and > > memory cgroup path. This makes page_owner debugging more focused and > > efficient for tracking memory allocations in specific contexts. > > The majority of this cover letter feels like it should have been > documentation put somewhere :) yes please. The only thing longer than the cover letter is the Sashiko report ;) https://sashiko.dev/#/patchset/20260828031339.1270699-1-zhen.ni@easystack.cn