From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with ESMTP id D6B936B002C for ; Thu, 28 Apr 2011 13:00:04 -0400 (EDT) Received: by wyf19 with SMTP id 19so3045512wyf.14 for ; Thu, 28 Apr 2011 10:00:02 -0700 (PDT) Subject: Re: [PATCH] percpu: preemptless __per_cpu_counter_add From: Eric Dumazet In-Reply-To: References: <20110427102034.GE31015@htj.dyndns.org> <1303961284.3981.318.camel@sli10-conroe> <20110428100938.GA10721@htj.dyndns.org> <20110428142331.GA16552@htj.dyndns.org> <20110428144446.GC16552@htj.dyndns.org> <20110428145657.GD16552@htj.dyndns.org> <20110428151203.GE16552@htj.dyndns.org> <1304005726.3360.69.camel@edumazet-laptop> <1304006345.3360.72.camel@edumazet-laptop> <1304008533.3360.88.camel@edumazet-laptop> Content-Type: text/plain; charset="UTF-8" Date: Thu, 28 Apr 2011 18:59:56 +0200 Message-ID: <1304009996.5827.3.camel@edumazet-laptop> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: Tejun Heo , Shaohua Li , "akpm@linux-foundation.org" , "linux-mm@kvack.org" Le jeudi 28 avril 2011 A 11:52 -0500, Christoph Lameter a A(C)crit : > I can still add (batch - 1) without causing the seqcount to be > incremented. It always had been like that, from the very beginning. Point was trying to remove the lock, and Tejun said it was going to increase fuzzyness. I said : Readers should specify what max fuzzyness they allow. Most users dont care at all, but we can provide an API. -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org