From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f178.google.com (mail-pd0-f178.google.com [209.85.192.178]) by kanga.kvack.org (Postfix) with ESMTP id EB6CE6B003D for ; Thu, 26 Sep 2013 10:50:05 -0400 (EDT) Received: by mail-pd0-f178.google.com with SMTP id w10so1261385pde.37 for ; Thu, 26 Sep 2013 07:50:05 -0700 (PDT) Received: by mail-qe0-f52.google.com with SMTP id i11so846178qej.25 for ; Thu, 26 Sep 2013 07:50:02 -0700 (PDT) Date: Thu, 26 Sep 2013 10:49:58 -0400 From: Tejun Heo Subject: Re: [PATCH v5 5/6] x86, acpi, crash, kdump: Do reserve_crashkernel() after SRAT is parsed Message-ID: <20130926144958.GG3482@htj.dyndns.org> References: <5241D897.1090905@gmail.com> <5241DB3A.6090002@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5241DB3A.6090002@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Zhang Yanfei Cc: "Rafael J . Wysocki" , lenb@kernel.org, Thomas Gleixner , mingo@elte.hu, "H. Peter Anvin" , Andrew Morton , Toshi Kani , Wanpeng Li , Thomas Renninger , Yinghai Lu , Jiang Liu , Wen Congyang , Lai Jiangshan , isimatu.yasuaki@jp.fujitsu.com, izumi.taku@jp.fujitsu.com, Mel Gorman , Minchan Kim , mina86@mina86.com, gong.chen@linux.intel.com, vasilis.liaskovitis@profitbricks.com, lwoodman@redhat.com, Rik van Riel , jweiner@redhat.com, prarit@redhat.com, "x86@kernel.org" , linux-doc@vger.kernel.org, "linux-kernel@vger.kernel.org" , Linux MM , linux-acpi@vger.kernel.org, imtangchen@gmail.com, Zhang Yanfei On Wed, Sep 25, 2013 at 02:34:34AM +0800, Zhang Yanfei wrote: > From: Tang Chen > > Memory reserved for crashkernel could be large. So we should not allocate > this memory bottom up from the end of kernel image. > > When SRAT is parsed, we will be able to know whihc memory is hotpluggable, > and we can avoid allocating this memory for the kernel. So reorder > reserve_crashkernel() after SRAT is parsed. > > Acked-by: Tejun Heo So, I was hoping to hear from you on how you tested it when I wrote the previous comment - the "provided..." part. -- tejun -- 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