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Fri, 12 Jun 2020 09:03:40 -0700 (PDT) Date: Fri, 12 Jun 2020 21:33:38 +0530 From: afzal mohammed To: Nicolas Pitre Subject: Re: [RFC 0/3] ARM: copy_{from,to}_user() for vmsplit 4g/4g Message-ID: <20200612160338.GA31501@afzalpc> References: <20200612160112.GA27659@afzalpc> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200612160112.GA27659@afzalpc> User-Agent: Mutt/1.9.3 (2018-01-21) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200612_090342_161424_B6459C6D X-CRM114-Status: UNSURE ( 8.01 ) X-CRM114-Notice: Please train this message. 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: Arnd Bergmann , Catalin Marinas , Linus Walleij , Russell King - ARM Linux admin , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Will Deacon , 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 Hi, On Fri, Jun 12, 2020 at 09:31:12PM +0530, afzal mohammed wrote: > 512 1K 4K 16K 32K 64K 1M > > normal 30 46 89 95 90 85 65 > > uaccess_w_memcpy 28.5 45 85 92 91 85 65 > > w/ series 22 36 72 79 78 75 61 For the sake of completeness all in MB/s, w/ various 'dd' 'bs' sizes. Regards afzal _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel