From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f44.google.com (mail-wm0-f44.google.com [74.125.82.44]) by kanga.kvack.org (Postfix) with ESMTP id B843B6B0262 for ; Mon, 16 Nov 2015 14:00:26 -0500 (EST) Received: by wmww144 with SMTP id w144so123768282wmw.1 for ; Mon, 16 Nov 2015 11:00:26 -0800 (PST) Received: from pandora.arm.linux.org.uk (pandora.arm.linux.org.uk. [2001:4d48:ad52:3201:214:fdff:fe10:1be6]) by mx.google.com with ESMTPS id g132si24318659wma.124.2015.11.16.11.00.25 for (version=TLS1 cipher=AES128-SHA bits=128/128); Mon, 16 Nov 2015 11:00:25 -0800 (PST) Date: Mon, 16 Nov 2015 19:00:03 +0000 From: Russell King - ARM Linux Subject: Re: [PATCH v2 10/12] ARM: only consider memblocks with NOMAP cleared for linear mapping Message-ID: <20151116190003.GG8644@n2100.arm.linux.org.uk> References: <1447698757-8762-1-git-send-email-ard.biesheuvel@linaro.org> <1447698757-8762-11-git-send-email-ard.biesheuvel@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1447698757-8762-11-git-send-email-ard.biesheuvel@linaro.org> Sender: owner-linux-mm@kvack.org List-ID: To: Ard Biesheuvel Cc: linux-arm-kernel@lists.infradead.org, linux-efi@vger.kernel.org, matt.fleming@intel.com, will.deacon@arm.com, grant.likely@linaro.org, catalin.marinas@arm.com, mark.rutland@arm.com, leif.lindholm@linaro.org, roy.franz@linaro.org, msalter@redhat.com, ryan.harkin@linaro.org, akpm@linux-foundation.org, linux-mm@kvack.org On Mon, Nov 16, 2015 at 07:32:35PM +0100, Ard Biesheuvel wrote: > Take the new memblock attribute MEMBLOCK_NOMAP into account when > deciding whether a certain region is or should be covered by the > kernel direct mapping. It's probably worth looking at this as a replacement to the way arm_memblock_steal() works, provided NOMAP doesn't result in the memory being passed to the kernel allocators. Thoughts? -- FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net. -- 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