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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1A217C61DD6 for ; Fri, 28 Aug 2026 18:37:00 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id C31BA6B0095; Fri, 28 Aug 2026 14:36:58 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id BBAD76B0096; Fri, 28 Aug 2026 14:36:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 94A186B0098; Fri, 28 Aug 2026 14:36:58 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 77D966B0095 for ; Fri, 28 Aug 2026 14:36:58 -0400 (EDT) Received: from smtpin05.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay04.hostedemail.com (Postfix) with ESMTP id EFFAB1A0534 for ; Fri, 28 Aug 2026 18:36:57 +0000 (UTC) X-FDA: 85151534874.05.D573FED Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf17.hostedemail.com (Postfix) with ESMTP id 2D49840006 for ; Fri, 28 Aug 2026 18:36:56 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=yQyk69T+; dmarc=none; spf=pass (imf17.hostedemail.com: domain of akpm@linux-foundation.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1787942216; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=gbn49kAAPUgUC+oEM+rUHWn7hXR94lgTDWdzdwQhvBs=; b=c7wyMZ6J3aX8kkkJQ6lVBvvI6XXEnaty1JTmGBJTH2WlVv4VbziM5s7Y5oTlwhba0bQ1tV V0MsNuYoI62Ej45KjkJOmI2VU1ixCeSvD7Oe22rru+ihAo52mwfGN/kBJjKUp74MkaCcVS 4tjoJ3brkF4USdmtnsb59COXWrzZJuU= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=yQyk69T+; dmarc=none; spf=pass (imf17.hostedemail.com: domain of akpm@linux-foundation.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1787942216; b=gxDmx1FVMz5+Ja5SCONXdyFrrTS2o+clo77GjljqEzmJ7jc56sixJluEKQgj2CDBsWtQ9G I3DyQkQKltL8T+HUIosyKnCK+GHBOaNsFWfmAzvcixfQLDuAl1RyZLFcfO3OpYwRHnkIQj Rumd3nasLXwpWnveYe+LgbEffDNRRgE= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 8C874601FE; Fri, 28 Aug 2026 18:36:55 +0000 (UTC) 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) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam11 X-Rspam-User: X-Stat-Signature: h5sfqdkkdpksfwebpouajszjap135yp4 X-Rspamd-Queue-Id: 2D49840006 X-HE-Tag: 1787942215-496181 X-HE-Meta: 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 MRa3kbE3 ECdZsHRd8Jfhh8emn3gmk9StcxsXRvpIMoXk56HAAu7muJr4zIRaLH2VDLaxNh4sLnoGgN7dVgcaIeYFTLAhksks9uZ20YzRqzzUDrWfgXlJL+OTFSGyodCIguzt3+bCBCJgqbz1BoZ4cZOFGwDORzbUbcSXAdxxLyqLLZC1XN7OXDaKaeTwcsUmeN0RgwauFGQY/Nf4KEYmMxtYucp7IPmFutXFqRpQdiBgfgchgQLM/mbJiU1mpssa1YE3y2S7kexmDMv7BLrM6EluBEBalEwj0SNlFTVpXf4aqlxdcXbLhvmGPDazNlUEmh9DA8o7x9lY0Bmub4Kl0/jMrpyRZfH0gFsw7oE6JTJiGmsfJoyCOnA6h8pHTE8WuyZsABdJzcwiq Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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