From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with ESMTP id 8F9E160021B for ; Fri, 8 Jan 2010 18:03:19 -0500 (EST) Date: Fri, 8 Jan 2010 15:02:51 -0800 From: Andrew Morton Subject: Re: [PATCH] page allocator: fix update NR_FREE_PAGES only as necessary Message-Id: <20100108150251.4854d565.akpm@linux-foundation.org> In-Reply-To: <20100104144332.96A2.A69D9226@jp.fujitsu.com> References: <1262571730-2778-1-git-send-email-shijie8@gmail.com> <20100104122138.f54b7659.minchan.kim@barrios-desktop> <20100104144332.96A2.A69D9226@jp.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: KOSAKI Motohiro Cc: Minchan Kim , Huang Shijie , mel@csn.ul.ie, linux-mm@kvack.org List-ID: On Mon, 4 Jan 2010 14:52:36 +0900 (JST) KOSAKI Motohiro wrote: > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -1227,10 +1227,10 @@ again: > } > spin_lock_irqsave(&zone->lock, flags); > page = __rmqueue(zone, order, migratetype); > - __mod_zone_page_state(zone, NR_FREE_PAGES, -(1 << order)); > spin_unlock(&zone->lock); > if (!page) > goto failed; > + __mod_zone_page_state(zone, NR_FREE_PAGES, -(1 << order)); > } > > __count_zone_vm_events(PGALLOC, zone, 1 << order); hm, yes, OK, obviously better. -- 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