From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from vs166246.vserver.de (bu3sch.de [62.75.166.246]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 5083EB7BC3 for ; Mon, 11 Jan 2010 05:16:14 +1100 (EST) From: Michael Buesch To: linuxppc-dev@lists.ozlabs.org Subject: Re: Allocator MAX_ORDER exceeds SECTION_SIZE Date: Sun, 10 Jan 2010 19:15:55 +0100 References: <201001101431.10736.mb@bu3sch.de> In-Reply-To: <201001101431.10736.mb@bu3sch.de> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Message-Id: <201001101915.57627.mb@bu3sch.de> Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sunday 10 January 2010 14:31:09 Michael Buesch wrote: > I get the following compilation failure, if 64k pages is selected > on 2.6.32.3 on a PowerMAC config: > > include/linux/mmzone.h:947:2: error: #error Allocator MAX_ORDER exceeds SECTION_SIZE > > Any idea? > Ok, I figured out that lowering CONFIG_FORCE_MAX_ZONEORDER from 13 to 9 seems to fix the problem. That error message could really need some improvement and at least a hint on what to do and why. I'm also wondering, if the kconfig entry for CONFIG_FORCE_MAX_ZONEORDER could somehow be limited to 9, if 64k pages is enabled. -- Greetings, Michael.