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 875B8CD8C85 for ; Thu, 13 Nov 2025 15:35:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id DE7048E0007; Thu, 13 Nov 2025 10:35:09 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D97BB8E0002; Thu, 13 Nov 2025 10:35:09 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CD4888E0007; Thu, 13 Nov 2025 10:35:09 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id BA7188E0002 for ; Thu, 13 Nov 2025 10:35:09 -0500 (EST) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 68535140A5F for ; Thu, 13 Nov 2025 15:35:09 +0000 (UTC) X-FDA: 84105982338.19.0EC9649 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf18.hostedemail.com (Postfix) with ESMTP id 9AA7F1C0011 for ; Thu, 13 Nov 2025 15:35:07 +0000 (UTC) Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=ZnJecusn; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf18.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1763048107; a=rsa-sha256; cv=none; b=P1jeRezjkl1wk2g7GO7S4bgwwEDMTe9HyAIWszR9L/odYpUB1r6ihtt1m7+Q4WoXcR5Ytf trAH7j86UtNuCKRBa6o7LLHCoMXlB6HpG9pX35wH/IaqQ7jn48GUQhQhsNY4gbtKNJpr9n El27rs++rIxMOXXHLVtWDEL1r0YooCY= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=ZnJecusn; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf18.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1763048107; 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=IK5hVKBuYup83/+4gA5HIMijDseuiCK7bbzyJEMS2FY=; b=W60grF2/nwjxG5dU757AbQUc0Jf3hkgsJKTzttpf2ZwXbRGnGlX06wspSUJumgjeiY2xTq TGyLIoyD54m2t672upHcWiyrap0dmUC3HNjBiPrK7aMd85dW0OWIW/KgB+s4br2xpIcV2V sdTg/MCnxUCGf6DWUF/XV5ULi0HVSx4= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 98F57415EA; Thu, 13 Nov 2025 15:35:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9DD89C116D0; Thu, 13 Nov 2025 15:35:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763048106; bh=D8WvGXX9KYt11CApC01Q8d5gtw7/8hiqu4Qp5u8lf8I=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=ZnJecusnHwdqsuJ9fbtwY58AijXmd8yBp2s3PG7GblTLfdAVe0BzB+hDsCeDhQxYM Q6yPcbFWMbPTp5DYk6rFubx4vveHj8UFpn/BNA+ukh7ZCo1CIY/fFN7O9la+spfyl7 P5HrVepyV7con/tRe03jqW0qXxGI2dREqYJZVBfefH4pyhT0hDvwRoE/m3n6nyiYQx B8BKt9bU5Fr18+yKOcRD2bGDsxs6YLzGfL6WqheSjoIb4U4k5v9IbDLpZNMT+2vBGn QDck2fOXy+RYPESEGKClI2QzpvAYAFueHEPUcR4CWisMdNnjFQE1B4eMbTaVGVb/a1 ma7sxp2ysUfbQ== Message-ID: <73552a22-c7c8-4106-949e-471b9a7bbc87@kernel.org> Date: Thu, 13 Nov 2025 16:35:03 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm/cma: Remove CONFIG_CMA_SYSFS option To: Jean Delvare , linux-mm@kvack.org Cc: LKML References: <20251113145636.731a24e4@endymion> From: "David Hildenbrand (Red Hat)" Content-Language: en-US In-Reply-To: <20251113145636.731a24e4@endymion> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 9AA7F1C0011 X-Rspamd-Server: rspam07 X-Stat-Signature: j49mksayaczyjzsauwk8bmcyotz6aej8 X-Rspam-User: X-HE-Tag: 1763048107-842102 X-HE-Meta: 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 gXU5hbnB SCO9hL72EroKlpQellaAzquW0eVDAcCLKTxlImFe+o6yV6anHWkThAYDmpcilLXkZWSfRod4gXLgbEzvHTcfZsDJpS5/prjHTvj84NZDEvK+Kdeuv0KylQWnII3WPSZsE2fwOOg7LReh+wEbpQgMSU/3JPa81AfVDUm71PAKcHDkAQOaEVPbSR2bjFIIJG3i1oyUW5VLyZTuJpOmmFFg5BpowwM2ceklTdWKcLaQd12I1ddUlr6HKeJCOMQ/NR8fbVJVaZA1/at8k7ggnhoaGzb2hktP2FH5RqgEme6OlWjGZCRIMXmGw9isOn/xNU6d3l7tuHpk3J421/psyucGbeQj4Ah6w6zGSwUZqj7y1JF3Af2IAKkpPMCn/DjrtSBIqIA61 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 13.11.25 14:56, Jean Delvare wrote: > The sysfs interface to CMA has a marginal runtime cost and a small > footprint, there's no reason not to include it in all kernels where > the dependencies are satisfied. > > Signed-off-by: Jean Delvare > --- > As discussed with David: > https://lkml.org/lkml/2025/8/6/371 Thanks for the reminder, it sounded familiar but I couldn't remember when this was discussed. Hoping this was properly compile-tested :) Acked-by: David Hildenbrand (Red Hat) -- Cheers David