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 E56B8D116F3 for ; Wed, 3 Dec 2025 08:20:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 501736B002B; Wed, 3 Dec 2025 03:20:10 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 4D8A86B002C; Wed, 3 Dec 2025 03:20:10 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 416486B002D; Wed, 3 Dec 2025 03:20:10 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 313366B002B for ; Wed, 3 Dec 2025 03:20:10 -0500 (EST) Received: from smtpin15.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 00D55BA031 for ; Wed, 3 Dec 2025 08:20:09 +0000 (UTC) X-FDA: 84177462180.15.A093B6E Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf20.hostedemail.com (Postfix) with ESMTP id 058091C000E for ; Wed, 3 Dec 2025 08:20:07 +0000 (UTC) Authentication-Results: imf20.hostedemail.com; dkim=none; spf=pass (imf20.hostedemail.com: domain of kevin.brodsky@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=kevin.brodsky@arm.com; dmarc=pass (policy=none) header.from=arm.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1764750008; 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; bh=Cp4z7wutZSCeud7Jvi6yin8tdaPqdTuvYkfM+RNYv4A=; b=aptmTgy5809MlEea/qTDYcIZWAy7BO25mqHb86R8SAi6HclyQ2R84vknE5pryt40yZ4Sg9 rPSAvxPJmbBWZ71ly9O/r5K59mffP+vrhh3oKd+MPF//46LeEvlrUZooGTVaSXLY4+ZFBb MTvt6Lu/QKOcfHyJLW9AWOiudoTvwuo= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1764750008; a=rsa-sha256; cv=none; b=1KhlX39Ih6iQlq/A2MN6x1NKI8smlJsYMgMXZ0fRmwAuwqmp47u1inKUNCFku/NooqRr2O ca2PkyIiWly1609m1EYWea1dYVn7229qNWMF0KH2oqQCqtfkOiflVgNb0KcwQD19ET23cF n69WeC5OLhIGNgKvdrS96z0hXD9BBvg= ARC-Authentication-Results: i=1; imf20.hostedemail.com; dkim=none; spf=pass (imf20.hostedemail.com: domain of kevin.brodsky@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=kevin.brodsky@arm.com; dmarc=pass (policy=none) header.from=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 7AC81339; Wed, 3 Dec 2025 00:19:59 -0800 (PST) Received: from [10.57.45.92] (unknown [10.57.45.92]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 199493F73B; Wed, 3 Dec 2025 00:19:58 -0800 (PST) Message-ID: Date: Wed, 3 Dec 2025 09:19:56 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 05/12] mm: introduce CONFIG_ARCH_HAS_LAZY_MMU_MODE To: Anshuman Khandual , linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Alexander Gordeev , Andreas Larsson , Andrew Morton , Boris Ostrovsky , Borislav Petkov , Catalin Marinas , Christophe Leroy , Dave Hansen , David Hildenbrand , "David S. Miller" , David Woodhouse , "H. Peter Anvin" , Ingo Molnar , Jann Horn , Juergen Gross , "Liam R. Howlett" , Lorenzo Stoakes , Madhavan Srinivasan , Michael Ellerman , Michal Hocko , Mike Rapoport , Nicholas Piggin , Peter Zijlstra , "Ritesh Harjani (IBM)" , Ryan Roberts , Suren Baghdasaryan , Thomas Gleixner , Venkat Rao Bagalkote , Vlastimil Babka , Will Deacon , Yeoreum Yun , linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org, xen-devel@lists.xenproject.org, x86@kernel.org References: <20251124132228.622678-1-kevin.brodsky@arm.com> <20251124132228.622678-6-kevin.brodsky@arm.com> <8d9ed1f1-77da-45af-85b5-78a5da66f1cc@arm.com> From: Kevin Brodsky Content-Language: en-GB In-Reply-To: <8d9ed1f1-77da-45af-85b5-78a5da66f1cc@arm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 058091C000E X-Stat-Signature: wxqtjdii7rurqio4ic439abpjjcexuku X-HE-Tag: 1764750007-60158 X-HE-Meta: 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 eYUHcrj0 9IFOOGTQzMOJudVrVZfVYXpmr5AAas//ODdcjgrlZTEceGOjtK2mjB6dvM7XRN4OBvA3K1Pwp7okPOlEvf0NHhz+lNT0zZWS7tww7vnI8Yj9v+c74rT1VaSb7bmpsiWY+I2HwMIUs0YxzqmBmoCzjp98ZKMI1IMwE80H6DYQbzdsAXDxjD5MBHikoiTXHbKAYjbOjqhY8wW2PKcBqmY0I4MUCQy3r3bOBQQO04zsrg3ZdQ6vJyoMzSQyRzGnxHxl96/Jcu7d9FE/K3TI= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 01/12/2025 07:21, Anshuman Khandual wrote: >> +config ARCH_HAS_LAZY_MMU_MODE >> + bool >> + > Might be worth adding a help description for the new config option. Sure, would be an occasion to clarify which functions an arch needs to define. - Kevin