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From: Zhang Yanfei <zhangyanfei.yes@gmail.com>
To: Tejun Heo <tj@kernel.org>
Cc: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>,
	"Rafael J . Wysocki" <rjw@sisk.pl>,
	lenb@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
	mingo@elte.hu, "H. Peter Anvin" <hpa@zytor.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Toshi Kani <toshi.kani@hp.com>,
	Wanpeng Li <liwanp@linux.vnet.ibm.com>,
	Thomas Renninger <trenn@suse.de>, Yinghai Lu <yinghai@kernel.org>,
	Jiang Liu <jiang.liu@huawei.com>,
	Wen Congyang <wency@cn.fujitsu.com>,
	Lai Jiangshan <laijs@cn.fujitsu.com>,
	isimatu.yasuaki@jp.fujitsu.com, izumi.taku@jp.fujitsu.com,
	Mel Gorman <mgorman@suse.de>, Minchan Kim <minchan@kernel.org>,
	mina86@mina86.com, gong.chen@linux.intel.com,
	vasilis.liaskovitis@profitbricks.com, lwoodman@redhat.com,
	Rik van Riel <riel@redhat.com>,
	jweiner@redhat.com, prarit@redhat.com,
	"x86@kernel.org" <x86@kernel.org>,
	linux-doc@vger.kernel.org"linux-kernel@vger.kernel.org" <l>
Subject: Re: [PATCH 5/6] x86, acpi, crash, kdump: Do reserve_crashkernel() after SRAT is parsed.
Date: Tue, 24 Sep 2013 21:24:01 +0800	[thread overview]
Message-ID: <52419271.1090809@gmail.com> (raw)
In-Reply-To: <20130924123428.GF2366@htj.dyndns.org>

On 09/24/2013 08:34 PM, Tejun Heo wrote:
> On Tue, Sep 24, 2013 at 06:09:49PM +0800, Zhang Yanfei wrote:
>> From: Tang Chen <tangchen@cn.fujitsu.com>
>>
>> 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.
>>
>> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
>> Reviewed-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
> 
> Assuming this was tested to work.
> 
>  Acked-by: Tejun Heo <tj@kernel.org>

Thanks.

> 
> Thanks.
> 


-- 
Thanks.
Zhang Yanfei

--
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WARNING: multiple messages have this Message-ID (diff)
From: Zhang Yanfei <zhangyanfei.yes@gmail.com>
To: Tejun Heo <tj@kernel.org>
Cc: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>,
	"Rafael J . Wysocki" <rjw@sisk.pl>,
	lenb@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
	mingo@elte.hu, "H. Peter Anvin" <hpa@zytor.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Toshi Kani <toshi.kani@hp.com>,
	Wanpeng Li <liwanp@linux.vnet.ibm.com>,
	Thomas Renninger <trenn@suse.de>, Yinghai Lu <yinghai@kernel.org>,
	Jiang Liu <jiang.liu@huawei.com>,
	Wen Congyang <wency@cn.fujitsu.com>,
	Lai Jiangshan <laijs@cn.fujitsu.com>,
	isimatu.yasuaki@jp.fujitsu.com, izumi.taku@jp.fujitsu.com,
	Mel Gorman <mgorman@suse.de>, Minchan Kim <minchan@kernel.org>,
	mina86@mina86.com, gong.chen@linux.intel.com,
	vasilis.liaskovitis@profitbricks.com, lwoodman@redhat.com,
	Rik van Riel <riel@redhat.com>,
	jweiner@redhat.com, prarit@redhat.com,
	"x86@kernel.org" <x86@kernel.org>,
	linux-doc@vger.kernel.org,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Linux MM <linux-mm@kvack.org>,
	linux-acpi@vger.kernel.org, imtangchen@gmail.com
Subject: Re: [PATCH 5/6] x86, acpi, crash, kdump: Do reserve_crashkernel() after SRAT is parsed.
Date: Tue, 24 Sep 2013 21:24:01 +0800	[thread overview]
Message-ID: <52419271.1090809@gmail.com> (raw)
In-Reply-To: <20130924123428.GF2366@htj.dyndns.org>

On 09/24/2013 08:34 PM, Tejun Heo wrote:
> On Tue, Sep 24, 2013 at 06:09:49PM +0800, Zhang Yanfei wrote:
>> From: Tang Chen <tangchen@cn.fujitsu.com>
>>
>> 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.
>>
>> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
>> Reviewed-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
> 
> Assuming this was tested to work.
> 
>  Acked-by: Tejun Heo <tj@kernel.org>

Thanks.

> 
> Thanks.
> 


-- 
Thanks.
Zhang Yanfei

--
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: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

WARNING: multiple messages have this Message-ID (diff)
From: Zhang Yanfei <zhangyanfei.yes@gmail.com>
To: Tejun Heo <tj@kernel.org>
Cc: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>,
	"Rafael J . Wysocki" <rjw@sisk.pl>,
	lenb@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
	mingo@elte.hu, "H. Peter Anvin" <hpa@zytor.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Toshi Kani <toshi.kani@hp.com>,
	Wanpeng Li <liwanp@linux.vnet.ibm.com>,
	Thomas Renninger <trenn@suse.de>, Yinghai Lu <yinghai@kernel.org>,
	Jiang Liu <jiang.liu@huawei.com>,
	Wen Congyang <wency@cn.fujitsu.com>,
	Lai Jiangshan <laijs@cn.fujitsu.com>,
	isimatu.yasuaki@jp.fujitsu.com, izumi.taku@jp.fujitsu.com,
	Mel Gorman <mgorman@suse.de>, Minchan Kim <minchan@kernel.org>,
	mina86@mina86.com, gong.chen@linux.intel.com,
	vasilis.liaskovitis@profitbricks.com, lwoodman@redhat.com,
	Rik van Riel <riel@redhat.com>,
	jweiner@redhat.com, prarit@redhat.com,
	"x86@kernel.org" <x86@kernel.org>,
	linux-doc@vger.kernel.org,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Linux MM <linux-mm@kvack.org>,
	linux-acpi@vger.kernel.org, imtangchen@gmail.com
Subject: Re: [PATCH 5/6] x86, acpi, crash, kdump: Do reserve_crashkernel() after SRAT is parsed.
Date: Tue, 24 Sep 2013 21:24:01 +0800	[thread overview]
Message-ID: <52419271.1090809@gmail.com> (raw)
In-Reply-To: <20130924123428.GF2366@htj.dyndns.org>

On 09/24/2013 08:34 PM, Tejun Heo wrote:
> On Tue, Sep 24, 2013 at 06:09:49PM +0800, Zhang Yanfei wrote:
>> From: Tang Chen <tangchen@cn.fujitsu.com>
>>
>> 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.
>>
>> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
>> Reviewed-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
> 
> Assuming this was tested to work.
> 
>  Acked-by: Tejun Heo <tj@kernel.org>

Thanks.

> 
> Thanks.
> 


-- 
Thanks.
Zhang Yanfei

  reply	other threads:[~2013-09-24 13:24 UTC|newest]

Thread overview: 99+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-24 10:00 [PATCH v4 0/6] x86, memblock: Allocate memory near kernel image before SRAT parsed Zhang Yanfei
2013-09-24 10:00 ` Zhang Yanfei
2013-09-24 10:03 ` [PATCH 1/6] memblock: Factor out of top-down allocation Zhang Yanfei
2013-09-24 10:03   ` Zhang Yanfei
2013-09-24 12:10   ` Tejun Heo
2013-09-24 12:10     ` Tejun Heo
2013-09-24 12:10     ` Tejun Heo
2013-09-24 13:04     ` Zhang Yanfei
2013-09-24 13:04       ` Zhang Yanfei
2013-09-24 13:04       ` Zhang Yanfei
2013-09-24 10:05 ` [PATCH 2/6] memblock: Introduce bottom-up allocation mode Zhang Yanfei
2013-09-24 10:05   ` Zhang Yanfei
2013-09-24 12:17   ` Tejun Heo
2013-09-24 12:17     ` Tejun Heo
2013-09-24 12:17     ` Tejun Heo
2013-09-24 13:17     ` Zhang Yanfei
2013-09-24 13:17       ` Zhang Yanfei
2013-09-24 13:17       ` Zhang Yanfei
2013-09-24 13:23       ` Tejun Heo
2013-09-24 13:23         ` Tejun Heo
2013-09-24 13:23         ` Tejun Heo
2013-09-24 14:12         ` Zhang Yanfei
2013-09-24 14:12           ` Zhang Yanfei
2013-09-24 14:12           ` Zhang Yanfei
2013-09-24 14:16           ` Tejun Heo
2013-09-24 14:16             ` Tejun Heo
2013-09-24 14:16             ` Tejun Heo
2013-09-24 14:19             ` Zhang Yanfei
2013-09-24 14:19               ` Zhang Yanfei
2013-09-24 14:19               ` Zhang Yanfei
2013-09-24 10:06 ` [PATCH 3/6] x86/mm: Factor out of top-down direct mapping setup Zhang Yanfei
2013-09-24 10:06   ` Zhang Yanfei
2013-09-24 10:06   ` Zhang Yanfei
2013-09-24 12:27   ` Tejun Heo
2013-09-24 12:27     ` Tejun Heo
2013-09-24 12:27     ` Tejun Heo
2013-09-24 13:20     ` Zhang Yanfei
2013-09-24 13:20       ` Zhang Yanfei
2013-09-24 13:20       ` Zhang Yanfei
2013-09-24 10:08 ` [PATCH 4/6] x86/mem-hotplug: Support initialize page tables bottom up Zhang Yanfei
2013-09-24 10:08   ` Zhang Yanfei
2013-09-24 12:33   ` Tejun Heo
2013-09-24 12:33     ` Tejun Heo
2013-09-24 12:33     ` Tejun Heo
2013-09-24 13:23     ` Zhang Yanfei
2013-09-24 13:23       ` Zhang Yanfei
2013-09-24 13:23       ` Zhang Yanfei
2013-09-24 13:27       ` Tejun Heo
2013-09-24 13:27         ` Tejun Heo
2013-09-24 13:27         ` Tejun Heo
2013-09-24 13:34         ` Zhang Yanfei
2013-09-24 13:34           ` Zhang Yanfei
2013-09-24 13:34           ` Zhang Yanfei
2013-09-24 13:39           ` Tejun Heo
2013-09-24 13:39             ` Tejun Heo
2013-09-24 13:39             ` Tejun Heo
2013-09-24 13:53             ` Zhang Yanfei
2013-09-24 13:53               ` Zhang Yanfei
2013-09-24 13:53               ` Zhang Yanfei
2013-09-24 14:05               ` Tejun Heo
2013-09-24 14:05                 ` Tejun Heo
2013-09-24 14:05                 ` Tejun Heo
2013-09-24 14:07                 ` Zhang Yanfei
2013-09-24 14:07                   ` Zhang Yanfei
2013-09-24 14:07                   ` Zhang Yanfei
2013-09-24 10:09 ` [PATCH 5/6] x86, acpi, crash, kdump: Do reserve_crashkernel() after SRAT is parsed Zhang Yanfei
2013-09-24 10:09   ` Zhang Yanfei
2013-09-24 12:34   ` Tejun Heo
2013-09-24 12:34     ` Tejun Heo
2013-09-24 12:34     ` Tejun Heo
2013-09-24 13:24     ` Zhang Yanfei [this message]
2013-09-24 13:24       ` Zhang Yanfei
2013-09-24 13:24       ` Zhang Yanfei
2013-09-24 10:11 ` [PATCH 6/6] mem-hotplug: Introduce movablenode boot option Zhang Yanfei
2013-09-24 10:11   ` Zhang Yanfei
2013-09-24 12:41   ` Tejun Heo
2013-09-24 12:41     ` Tejun Heo
2013-09-24 12:41     ` Tejun Heo
2013-09-24 13:31     ` Zhang Yanfei
2013-09-24 13:31       ` Zhang Yanfei
2013-09-24 13:31       ` Zhang Yanfei
2013-09-24 15:24       ` Zhang Yanfei
2013-09-24 15:24         ` Zhang Yanfei
2013-09-24 15:24         ` Zhang Yanfei
2013-09-24 15:32         ` Tejun Heo
2013-09-24 15:32           ` Tejun Heo
2013-09-24 15:32           ` Tejun Heo
2013-09-24 15:43           ` Zhang Yanfei
2013-09-24 15:43             ` Zhang Yanfei
2013-09-24 15:43             ` Zhang Yanfei
2013-09-24 16:00         ` Toshi Kani
2013-09-24 16:00           ` Toshi Kani
2013-09-24 16:00           ` Toshi Kani
2013-09-24 16:08           ` Zhang Yanfei
2013-09-24 16:08             ` Zhang Yanfei
2013-09-24 16:08             ` Zhang Yanfei
2013-09-24 16:33             ` Toshi Kani
2013-09-24 16:33               ` Toshi Kani
2013-09-24 16:33               ` Toshi Kani

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