From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with SMTP id BC7006B0062 for ; Fri, 6 Nov 2009 12:12:36 -0500 (EST) Received: from localhost (smtp.ultrahosting.com [127.0.0.1]) by smtp.ultrahosting.com (Postfix) with ESMTP id 04E0A82C375 for ; Fri, 6 Nov 2009 12:19:25 -0500 (EST) Received: from smtp.ultrahosting.com ([74.213.175.253]) by localhost (smtp.ultrahosting.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id elAUonXDicXD for ; Fri, 6 Nov 2009 12:19:24 -0500 (EST) Received: from V090114053VZO-1 (unknown [74.213.171.31]) by smtp.ultrahosting.com (Postfix) with ESMTP id D9FA382C45B for ; Fri, 6 Nov 2009 12:18:40 -0500 (EST) Date: Fri, 6 Nov 2009 12:10:45 -0500 (EST) From: Christoph Lameter Subject: Re: Subject: [RFC MM] mmap_sem scaling: Use mutex and percpu counter instead In-Reply-To: <28c262360911060741x3f7ab0a2k15be645e287e05ac@mail.gmail.com> Message-ID: References: <28c262360911060741x3f7ab0a2k15be645e287e05ac@mail.gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Minchan Kim Cc: npiggin@suse.de, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Tejun Heo , Ingo Molnar , KAMEZAWA Hiroyuki , "hugh.dickins@tiscali.co.uk" List-ID: On Sat, 7 Nov 2009, Minchan Kim wrote: > How about change from 'mm_readers' to 'is_readers' to improve your > goal 'scalibility'? Good idea. Thanks. Next rev will use your suggestion. Any creative thoughts on what to do about the 1 millisecond wait period? -- 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