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 05D35C79F9F for ; Thu, 10 Sep 2026 08:14:42 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id EA0A56B008A; Thu, 10 Sep 2026 04:14:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E50456B0092; Thu, 10 Sep 2026 04:14:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D573E6B0093; Thu, 10 Sep 2026 04:14:41 -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 B2FDA6B008A for ; Thu, 10 Sep 2026 04:14:41 -0400 (EDT) Received: from smtpin30.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 3FE2E40477 for ; Thu, 10 Sep 2026 08:14:41 +0000 (UTC) X-FDA: 85197141162.30.31ABE1C Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf11.hostedemail.com (Postfix) with ESMTP id A2EC74000A for ; Thu, 10 Sep 2026 08:14:39 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=GRuWfG+E; spf=pass (imf11.hostedemail.com: domain of ljs@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=ljs@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1789028079; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=mvf4tT3qyVQ5qSeR5/mA7bz6/OSaH7qJ1i9sSUmphc0=; b=29tuIO8oPSjWih79zFJ0ugCeGpNgPtE2mBiFKO9C5I1fbDBBHUEM2QViPH6ig8COPJ1eiP DsJqtLyLTva/1Pqw8aBi5jrWi37D9Z3XkKxjtxMjG0Z27GMypLXCIWr/vrY7irqyzFkMqb +vgLxBeaOoe5mJh4Uj1NcFdA2kc0Vsk= ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1789028079; b=AQ9++eR1lkZFad33ZasRd0E2sQWM0g/ExOijNsL4aw0is5Gn0vJZ8zq8hyOkBZKP4d7Vie fHbbqlfCr+KU+tdcnQk70uOpzYEuSXKy/zFOuWr7HuJ9sFbvRLroWDWgvEKMt5wEl0QZDa sQiFyi06N2U1pCB5h7V4Lve85pyxLZM= ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=GRuWfG+E; spf=pass (imf11.hostedemail.com: domain of ljs@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=ljs@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id B6FA741B18; Thu, 10 Sep 2026 08:14:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E86AA1F000FF; Thu, 10 Sep 2026 08:14:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789028078; bh=mvf4tT3qyVQ5qSeR5/mA7bz6/OSaH7qJ1i9sSUmphc0=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=GRuWfG+ERt4+xZknkajh3piUbexT6bu5syNLFw1uW5AqgAaw11neKGUjHKMvFgh55 BlknpZffvbW2Yyp62yTcwnbEtuLI8JV570rB194qwgZII1FQIB2tjyfHwKQA4JZh8W 1PnWW7gGmqgXxG60fpyqC3G0z9cphDtUzChBqXh5aAc82noNGUbbuaeiabrumyfi/V 5e8iZkpH8ELp6m8w8NIJYyQdlfqxOAbesXRgwTgIxojBOBDsr1zWBwN5D+OvKSyZYg SB5WGD2GMVNhAaLVaphvBO6pRwDD1Sd7g97ybvGM/9LjxjaP32uZzxvdDYYYo1zun8 2GorJ5tXK8HRQ== Date: Thu, 10 Sep 2026 09:14:28 +0100 From: "Lorenzo Stoakes (ARM)" To: "David Hildenbrand (Arm)" Cc: Andrew Morton , Suren Baghdasaryan , "Liam R. Howlett" , Vlastimil Babka , Shakeel Butt , Zi Yan , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Usama Arif , Kiryl Shutsemau , Mike Rapoport , Michal Hocko , Xu Xin , Chengming Zhou , Jann Horn , Pedro Falcato , Rik van Riel , Harry Yoo , Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Baoquan He , Youngjun Park , Peter Xu , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Guilherme Giacomo Simoes Subject: Re: [PATCH] mm: implement and use vma_is_faulted(), silence KCSAN Message-ID: References: <20260909-vma-is-faulted-v1-1-3a701f48984a@kernel.org> <3a261c3e-4c26-41b3-b55f-5800ae1081f3@kernel.org> <58173517-fb38-4508-ac8f-ccffb299be6d@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <58173517-fb38-4508-ac8f-ccffb299be6d@kernel.org> X-Stat-Signature: rrozmymsezo3pc6ee9xkw4ag1n3trmwk X-Rspam-User: X-Rspamd-Queue-Id: A2EC74000A X-Rspamd-Server: rspam03 X-HE-Tag: 1789028079-267253 X-HE-Meta: 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 56IuKPwC 0biaORPQCY0BIGbw22567V1O+RORceM5WGDil9OEnklx8XXOQYnPsB6iVOI6RL7aTnadAB/ChDPR0uJiDSDOqonOqueTrUb7xknXbwkKb64P/5Tu9g1VuDDQELPVnbnKpcZYx000EOfISYfYP43EvK2TgpQ5sYik5XPaxueVY9oXo9fBj4HVXT+/zivW11nxSds8Oqz4SBAzDmW6FrLQuy/3cZQT0IIJN/vujGgZJYLNYXkMVrBaydCsAtdUJgzBpOBmwk14wDpE40H+LYk2zy75EoeuAsunR7895SImN+w+WKxA= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Sep 10, 2026 at 09:46:23AM +0200, David Hildenbrand (Arm) wrote: > > > > Actually how about: > > > > vma_anon_rmap_tracked()? > > Or just > > vma_anon_tracked? Yeah works for me! Will respin with that. > > > > > Then it speaks to what anon_vma is actually for, the fact the VMA has an > > anon_vma assigned like that means it is tracked by the anon_vma, and it > > abstracts the actual mechanism? > Yeah, this goes into the right direction. Yeah agreed! > > -- > Cheers, > > David -- Cheers, Lorenzo