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 SMTP id 6F7C56B0044 for ; Thu, 5 Nov 2009 23:11:30 -0500 (EST) Received: from m4.gw.fujitsu.co.jp ([10.0.50.74]) by fgwmail6.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id nA64BRBT019361 for (envelope-from kamezawa.hiroyu@jp.fujitsu.com); Fri, 6 Nov 2009 13:11:27 +0900 Received: from smail (m4 [127.0.0.1]) by outgoing.m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 9176645DE79 for ; Fri, 6 Nov 2009 13:11:27 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (s4.gw.fujitsu.co.jp [10.0.50.94]) by m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 2FF9045DE6F for ; Fri, 6 Nov 2009 13:11:27 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 13F2F1DB8037 for ; Fri, 6 Nov 2009 13:11:27 +0900 (JST) Received: from m108.s.css.fujitsu.com (m108.s.css.fujitsu.com [10.249.87.108]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id A07241DB8040 for ; Fri, 6 Nov 2009 13:11:26 +0900 (JST) Date: Fri, 6 Nov 2009 13:08:53 +0900 From: KAMEZAWA Hiroyuki Subject: Re: [MM] Make mm counters per cpu instead of atomic V2 Message-Id: <20091106130853.f9e29574.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: References: <20091104234923.GA25306@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Christoph Lameter Cc: Dave Jones , "hugh.dickins@tiscali.co.uk" , linux-mm@kvack.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, Tejun Heo List-ID: On Thu, 5 Nov 2009 10:36:06 -0500 (EST) Christoph Lameter wrote: > +static inline unsigned long get_mm_rss(struct mm_struct *mm) > +{ > + int cpu; > + unsigned long r = 0; > + > + for_each_possible_cpu(cpu) { > + struct mm_counter *c = per_cpu_ptr(mm->rss, cpu); > + > + r = c->file + c->anon; r += c->file + c->anon; Thanks, -Kame -- 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