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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C72B2C6FA99 for ; Fri, 10 Mar 2023 07:28:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230094AbjCJH2E (ORCPT ); Fri, 10 Mar 2023 02:28:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41090 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229725AbjCJH2B (ORCPT ); Fri, 10 Mar 2023 02:28:01 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E74822D69 for ; Thu, 9 Mar 2023 23:27:57 -0800 (PST) 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=lsu8C66bQlVD7b/qUj8FrQUsNRFi86RiD8W+OwGQjPg=; b=vXddHSmcd5MYllLuv880M6n22o A724gTQukuKSugt1vH8YaTyNbCCGku74cqyW774c72uI14nwefVVVtuF0I/cH3xMTYLy7PznT21nS DG6zLxRaHDTaPWlHkvw/bVqJlrTAdE1b0HVoB5hN3kB0EG8zhR+bjZqRz4+i379JTtmtx6h3uXAG+ 8LU5WPUx6bOJGKsTGwZ52YkEfQ8Y4uapvDSPTlzyhEAuDG2MsA1weISGFkn1n46aqy8ukSOD7pxnt 7aiJgnTSP0JUZF9l3Ju3WOp6aU9iu97nxbfo3dxTEDXDGIO5KCEUIgdXDN4HSR1/G73rmCuJEJ+qe FlgaM7SQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1paXAF-00DOkd-0f; Fri, 10 Mar 2023 07:27:43 +0000 Date: Thu, 9 Mar 2023 23:27:42 -0800 From: Christoph Hellwig To: Mike Rapoport Cc: linux-mm@kvack.org, Andrew Morton , Dave Hansen , Peter Zijlstra , Rick Edgecombe , Song Liu , Thomas Gleixner , Vlastimil Babka , linux-kernel@vger.kernel.org, x86@kernel.org Subject: Re: [RFC PATCH 0/5] Prototype for direct map awareness in page allocator Message-ID: References: <20230308094106.227365-1-rppt@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230308094106.227365-1-rppt@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 08, 2023 at 11:41:01AM +0200, Mike Rapoport wrote: > The last two patches in the series demonstrate how __GFP_UNMAPPED can be > used in two in-tree use cases. dma_alloc_attrs(DMA_ATTR_NO_KERNEL_MAPPING) would be another easy one.