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 SMTP id EB44D6B004A for ; Wed, 1 Jun 2011 15:15:41 -0400 (EDT) Date: Wed, 1 Jun 2011 21:15:29 +0200 From: Andrea Arcangeli Subject: Re: [PATCH] mm: compaction: Abort compaction if too many pages are isolated and caller is asynchronous Message-ID: <20110601191529.GY19505@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> <20110601005747.GC7019@csn.ul.ie> <20110601175809.GB7306@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110601175809.GB7306@suse.de> Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: Minchan Kim , akpm@linux-foundation.org, Ury Stankevich , KOSAKI Motohiro , linux-kernel@vger.kernel.org, linux-mm@kvack.org, stable@kernel.org On Wed, Jun 01, 2011 at 06:58:09PM +0100, Mel Gorman wrote: > Umm, HIGHMEM4G implies a two-level pagetable layout so where are > things like _PAGE_BIT_SPLITTING being set when THP is enabled? They should be set on the pgd, pud_offset/pgd_offset will just bypass. The splitting bit shouldn't be special about it, the present bit should work the same. -- 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