From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail6.bemta12.messagelabs.com (mail6.bemta12.messagelabs.com [216.82.250.247]) by kanga.kvack.org (Postfix) with ESMTP id AC44D6B004A for ; Thu, 2 Jun 2011 19:02:47 -0400 (EDT) Received: by qwa26 with SMTP id 26so828482qwa.14 for ; Thu, 02 Jun 2011 16:02:35 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20110602182302.GA2802@random.random> References: <20110530143109.GH19505@random.random> <20110530153748.GS5044@csn.ul.ie> <20110530165546.GC5118@suse.de> <20110530175334.GI19505@random.random> <20110531121620.GA3490@barrios-laptop> <20110531122437.GJ19505@random.random> <20110531133340.GB3490@barrios-laptop> <20110531141402.GK19505@random.random> <20110531143734.GB13418@barrios-laptop> <20110531143830.GC13418@barrios-laptop> <20110602182302.GA2802@random.random> Date: Fri, 3 Jun 2011 08:02:35 +0900 Message-ID: Subject: Re: [PATCH] mm: compaction: Abort compaction if too many pages are isolated and caller is asynchronous From: Minchan Kim Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org List-ID: To: Andrea Arcangeli Cc: Mel Gorman , Mel Gorman , akpm@linux-foundation.org, Ury Stankevich , KOSAKI Motohiro , linux-kernel@vger.kernel.org, linux-mm@kvack.org On Fri, Jun 3, 2011 at 3:23 AM, Andrea Arcangeli wrot= e: > On Tue, May 31, 2011 at 11:38:30PM +0900, Minchan Kim wrote: >> > Yes. You find a new BUG. >> > It seems to be related to this problem but it should be solved althoug= h >> >> =C2=A0typo : It doesn't seem to be. > > This should fix it, but I doubt it matters for this problem. > > =3D=3D=3D > Subject: mm: no page_count without a page pin > > From: Andrea Arcangeli > > It's unsafe to run page_count during the physical pfn scan. > > Signed-off-by: Andrea Arcangeli Reviewed-by: Minchan Kim Nitpick : I want to remain " /* the page is freed already. */" comment. --=20 Kind regards, Minchan Kim -- 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