From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 7E4DC156654 for ; Tue, 25 Jun 2024 15:53:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719330811; cv=none; b=KynnGw9PqIBvyTKL9VS37nnNeVIxh6nnTg00NeeLSSRKJgEJmVbnV1rq5xnT3p0rirbqXCm40bV8zsIn2XgjxtuNaIxIDEKc9j/rFv+RWWncCJ2zRGOhVzCY7QDlTnhYm+o/f2OkJDubRpkKRcI9t7sh8hZotLJ8vkxJ+ZkNy9o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719330811; c=relaxed/simple; bh=97xfRsJO+gSEj/L9l65cHnLuyQlLEtpEJ5oAVIlpzz4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=b1WP/Py4iRou3YeFtbbf63WddKxhPWDXV6uD1zsu3t93FBBuM5sAoRFU/t40k4vLf2TI+Etj2Z78f4UE/aNd+z6WQos6MXlyXA0JxsTetplAabCZwwTeYgGCeSlfoMCIeX897s9YUOBbmyy6ike5cyugm/Ad5WUVObugxgYNlq8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=gsa1VxNW; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="gsa1VxNW" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=97xfRsJO+gSEj/L9l65cHnLuyQlLEtpEJ5oAVIlpzz4=; b=gsa1VxNWCGnRf9H/cGI/yRAHnS FEpmzDSJWTKM40bhJBqLzE6kpGnGPSYC7b3gWdAJnNWTdT5En3sjgA8Pik3SpK76yVkML5DxcdrUt KGU8GSlkWsA9Fo/NxIKYtLY2in2ru74OGLLNSQ3D2pzE6Aam01OtzDWjUE60sCRfnUm/nvohnF3dL Efb4XokIT3PrhV6cFbYeOSV6PP5+Svq9EJT1tWYsMumDD6JrDGr+BluTMmJAszvW3UXqo36f+cmgI AfxVX1YB9QY/xTX+4tAWLQsMZ2uj9HPxKPls8X1SoF8vsiFDDGGc1aClWyUGEfwIJoAy92XNI/rDg /jF9YnpA==; Received: from hch by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1sM8U5-00000003boG-0fme; Tue, 25 Jun 2024 15:53:29 +0000 Date: Tue, 25 Jun 2024 08:53:29 -0700 From: Christoph Hellwig To: Guanshun Liu Cc: rppt@kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] memblock: export memblock_free() to free reserved memory. Message-ID: References: <20240625121652.1189095-1-lgs156412@gmail.com> 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-Disposition: inline In-Reply-To: <20240625121652.1189095-1-lgs156412@gmail.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Tue, Jun 25, 2024 at 08:16:52PM +0800, Guanshun Liu wrote: > On architectures that support the preservation of memblock metadata > after __init, allow drivers to call memblock_free() to free a > reservation configured in dts. This is a hack to support the > freeing of bootsplash reservations passed to Linux by the bootloader. What driver?