From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Antonino A. Daplas" Subject: Re: [PATCH][FBDEV] Fix copy_to/from_user in fbmem.c:fb_read/write Date: Mon, 30 Aug 2004 19:58:56 +0800 Sender: linux-fbdev-devel-admin@lists.sourceforge.net Message-ID: <200408301958.56449.adaplas@hotpop.com> References: <200408301047.28117.adaplas@hotpop.com> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.12] helo=sc8-sf-mx2.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1C1koB-0005H9-Mj for linux-fbdev-devel@lists.sourceforge.net; Mon, 30 Aug 2004 04:58:47 -0700 Received: from smtp-out.hotpop.com ([38.113.3.61]) by sc8-sf-mx2.sourceforge.net with esmtp (Exim 4.34) id 1C1koA-0004Uo-MS for linux-fbdev-devel@lists.sourceforge.net; Mon, 30 Aug 2004 04:58:47 -0700 Received: from hotpop.com (kubrick.hotpop.com [38.113.3.103]) by smtp-out.hotpop.com (Postfix) with SMTP id 813F57C01CA for ; Mon, 30 Aug 2004 11:58:30 +0000 (UTC) In-Reply-To: Content-Disposition: inline Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: List-Post: List-Help: List-Subscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: linux-fbdev-devel@lists.sourceforge.net, Geert Uytterhoeven Cc: Andrew Morton , "David S.Miller" On Monday 30 August 2004 17:10, Geert Uytterhoeven wrote: > > I don't expect the penalty for always using a buffer of PAGE_SIZE to be > very large. Or am I missing something? > You're absolutely correct, there is no significant performance penalty whether using a small or large-sized buffer. Will resubmit a patch. Tony ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! Get your free copy of BEA WebLogic Workshop 8.1 today. http://ads.osdn.com/?ad_id=5047&alloc_id=10808&op=click