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Wed, 14 Aug 2019 14:51:21 +0000 From: Steve Capper To: Mark Rutland Subject: Re: [PATCH 2/2] arm64: memory: rename VA_START to PAGE_END Thread-Topic: [PATCH 2/2] arm64: memory: rename VA_START to PAGE_END Thread-Index: AQHVUqRLs+m3lHK3LEeYqyRwdQ1wZqb6ui2A Date: Wed, 14 Aug 2019 14:51:21 +0000 Message-ID: <20190814145119.GA3646@capper-ampere.manchester.arm.com> References: <20190814132848.24295-1-mark.rutland@arm.com> <20190814132848.24295-3-mark.rutland@arm.com> In-Reply-To: <20190814132848.24295-3-mark.rutland@arm.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mutt/1.10.1 (2018-07-13) x-originating-ip: [217.140.106.32] x-clientproxiedby: LO2P265CA0438.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:e::18) To DB8PR08MB4105.eurprd08.prod.outlook.com (2603:10a6:10:b0::12) Authentication-Results-Original: spf=none (sender IP is ) smtp.mailfrom=Steve.Capper@arm.com; x-ms-exchange-messagesentrepresentingtype: 1 x-ms-publictraffictype: Email X-MS-Office365-Filtering-Correlation-Id: b8120470-22ba-4bef-934d-08d720c6e380 X-MS-Office365-Filtering-HT: Tenant X-Microsoft-Antispam-Untrusted: BCL:0; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Catalin Marinas , nd , "will@kernel.org" , "linux-arm-kernel@lists.infradead.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Aug 14, 2019 at 02:28:48PM +0100, Mark Rutland wrote: > Prior to commit: > > 14c127c957c1c607 ("arm64: mm: Flip kernel VA space") > > ... VA_START described the start of the TTBR1 address space for a given > VA size described by VA_BITS, where all kernel mappings began. > > Since that commit, VA_START described a portion midway through the > address space, where the linear map ends and other kernel mappings > begin. > > To avoid confusion, let's rename VA_START to PAGE_END, making it clear > that it's not the start of the TTBR1 address space and implying that > it's related to PAGE_OFFSET. Comments and other mnemonics are updated > accordingly, along with a typo fix in the decription of VMEMMAP_SIZE. > > There should be no functional change as a result of this patch. > > Signed-off-by: Mark Rutland > Cc: Catalin Marinas > Cc: Steve Capper > Cc: Will Deacon This looks a lot better, and avoids future use of "VA_START", thanks Mark! Reviewed-by: Steve Capper _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel