Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759426Ab1FATPp (ORCPT ); Wed, 1 Jun 2011 15:15:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:27828 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759107Ab1FATPo (ORCPT ); Wed, 1 Jun 2011 15:15:44 -0400 Date: Wed, 1 Jun 2011 21:15:29 +0200 From: Andrea Arcangeli 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 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: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 596 Lines: 12 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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/