From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with ESMTP id 39B3A6B0078 for ; Fri, 19 Feb 2010 03:30:51 -0500 (EST) Date: Fri, 19 Feb 2010 08:30:06 +0000 From: Russell King - ARM Linux Subject: Re: Kernel panic due to page migration accessing memory holes Message-ID: <20100219083006.GA19649@n2100.arm.linux.org.uk> References: <4B7C8DC2.3060004@codeaurora.org> <20100218100324.5e9e8f8c.kamezawa.hiroyu@jp.fujitsu.com> <4B7CF8C0.4050105@codeaurora.org> <20100218183604.95ee8c77.kamezawa.hiroyu@jp.fujitsu.com> <20100218100432.GA32626@csn.ul.ie> <4B7DEDB0.8030802@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4B7DEDB0.8030802@codeaurora.org> Sender: owner-linux-mm@kvack.org To: Michael Bohan Cc: Mel Gorman , linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, KAMEZAWA Hiroyuki , linux-arm-msm@vger.kernel.org List-ID: On Thu, Feb 18, 2010 at 05:47:28PM -0800, Michael Bohan wrote: > I am actually using the pfn_valid implementation FLATMEM in > arch/arm/include/asm/memory.h. This one is very similar to the > asm-generic, and has no knowledge of the holes. Later kernels have a pfn_valid() which does have hole functionality. -- 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