From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx168.postini.com [74.125.245.168]) by kanga.kvack.org (Postfix) with SMTP id 2E7966B0031 for ; Fri, 2 Aug 2013 01:53:02 -0400 (EDT) Message-ID: <51FB48E5.6040007@cn.fujitsu.com> Date: Fri, 02 Aug 2013 13:51:33 +0800 From: Tang Chen MIME-Version: 1.0 Subject: Re: [PATCH v2 13/18] x86, numa, mem_hotplug: Skip all the regions the kernel resides in. References: <1375340800-19332-1-git-send-email-tangchen@cn.fujitsu.com> <1375340800-19332-14-git-send-email-tangchen@cn.fujitsu.com> <20130801134218.GA29323@htj.dyndns.org> In-Reply-To: <20130801134218.GA29323@htj.dyndns.org> Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: owner-linux-mm@kvack.org List-ID: To: Tejun Heo Cc: rjw@sisk.pl, lenb@kernel.org, tglx@linutronix.de, mingo@elte.hu, hpa@zytor.com, akpm@linux-foundation.org, trenn@suse.de, yinghai@kernel.org, jiang.liu@huawei.com, wency@cn.fujitsu.com, laijs@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com, izumi.taku@jp.fujitsu.com, mgorman@suse.de, minchan@kernel.org, mina86@mina86.com, gong.chen@linux.intel.com, vasilis.liaskovitis@profitbricks.com, lwoodman@redhat.com, riel@redhat.com, jweiner@redhat.com, prarit@redhat.com, zhangyanfei@cn.fujitsu.com, yanghy@cn.fujitsu.com, x86@kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-acpi@vger.kernel.org On 08/01/2013 09:42 PM, Tejun Heo wrote: >> On Thu, Aug 01, 2013 at 03:06:35PM +0800, Tang Chen wrote: >> >> At early time, memblock will reserve some memory for the kernel, >> such as the kernel code and data segments, initrd file, and so on=EF=BC=8C >> which means the kernel resides in these memory regions. >> >> Even if these memory regions are hotpluggable, we should not >> mark them as hotpluggable. Otherwise the kernel won't have enough >> memory to boot. >> >> This patch finds out which memory regions the kernel resides in, >> and skip them when finding all hotpluggable memory regions. >> >> Signed-off-by: Tang Chen >> Reviewed-by: Zhang Yanfei >> --- >> mm/memory=5Fhotplug.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ >> 1 files changed, 45 insertions(+), 0 deletions(-) >> >> diff --git a/mm/memory=5Fhotplug.c b/mm/memory=5Fhotplug.c >> index 326e2f2..b800c9c 100644 >> --- a/mm/memory=5Fhotplug.c >> +++ b/mm/memory=5Fhotplug.c >> @@ -31,6 +31,7 @@ >> #include >> #include >> #include >> +#include >> =20 >> #include >> =20 > > This patch is contaminated. Can you please resend?It It's wired. I'll rebase these patches to linux 3.11-rc3 and resend them all. Thanks. -- 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