From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f42.google.com (mail-wm0-f42.google.com [74.125.82.42]) by kanga.kvack.org (Postfix) with ESMTP id C17226B0038 for ; Fri, 27 Nov 2015 16:21:58 -0500 (EST) Received: by wmec201 with SMTP id c201so71307458wme.1 for ; Fri, 27 Nov 2015 13:21:58 -0800 (PST) Received: from mail-wm0-x230.google.com (mail-wm0-x230.google.com. [2a00:1450:400c:c09::230]) by mx.google.com with ESMTPS id t15si50759700wju.169.2015.11.27.13.21.57 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 27 Nov 2015 13:21:57 -0800 (PST) Received: by wmec201 with SMTP id c201so71307229wme.1 for ; Fri, 27 Nov 2015 13:21:57 -0800 (PST) Date: Fri, 27 Nov 2015 21:21:55 +0000 From: Matt Fleming Subject: Re: [PATCH v3 13/13] ARM: add UEFI stub support Message-ID: <20151127212155.GC13918@codeblueprint.co.uk> References: <1448269593-20758-1-git-send-email-ard.biesheuvel@linaro.org> <1448269593-20758-14-git-send-email-ard.biesheuvel@linaro.org> <20151126104711.GH2765@codeblueprint.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Ard Biesheuvel Cc: "linux-arm-kernel@lists.infradead.org" , Catalin Marinas , Will Deacon , Mark Rutland , "linux-efi@vger.kernel.org" , Leif Lindholm , Andrew Morton , Alexander Kuleshov , "linux-mm@kvack.org" , Ryan Harkin , Grant Likely , Roy Franz , Mark Salter On Fri, 27 Nov, at 10:38:05AM, Ard Biesheuvel wrote: > > Actually, it is the reservation done a bit earlier that could > potentially end up at 0x0, and the [compressed] kernel is always at > least 32 MB up in memory, so that it can be decompressed as close to > the base of DRAM as possible. > > As far as I can tell, efi_free() deals correctly with allocations at > address 0x0, and that is the only dealing we have with the > reservation. So I don't think there is an issue here. OK, great. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org