From: Tejun Heo <tj@kernel.org>
To: Tang Chen <tangchen@cn.fujitsu.com>
Cc: Yinghai Lu <yinghai@kernel.org>, Tang Chen <imtangchen@gmail.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Bob Moore <robert.moore@intel.com>, Lv Zheng <lv.zheng@intel.com>,
"Rafael J. Wysocki" <rjw@sisk.pl>, Len Brown <lenb@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Renninger <trenn@suse.de>,
Jiang Liu <jiang.liu@huawei.com>,
Wen Congyang <wency@cn.fujitsu.com>,
Lai Jiangshan <laijs@cn.fujitsu.com>,
Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>,
Taku Izumi <izumi.taku@jp.fujitsu.com>,
Mel Gorman <mgorman@suse.de>, Minchan Kim <minchan@kernel.org>,
"mina86@mina86.com" <mina86@mina86.com>,
"gong.chen@linux.intel.com" <gong.chen@linux.intel.com>,
Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>,
"lwoodman@redhat.com" <lwoodman@redhat.com>,
Rik van Riel <riel@redhat.com>,
"jweiner@redhat.com" <jweiner@redhat.com>,
Prarit Bhargava <prarit@redhat.com>,
Zhang Yanfei <zhangyanfei@cn.fujitsu.com>,
"yanghy@cn.fujitsu.com" <yanghy@cn.fujitsu.com>,
the arch/x86 maintainers <x86@kernel.org>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
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Linux MM <linux-mm@kvack.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
"Luck, Tony (tony.luck@intel.com)" <tony.luck@intel.com>
Subject: Re: [PATCH part5 0/7] Arrange hotpluggable memory as ZONE_MOVABLE.
Date: Thu, 15 Aug 2013 08:19:00 -0400 [thread overview]
Message-ID: <20130815121900.GA14606@htj.dyndns.org> (raw)
In-Reply-To: <520C947B.40407@cn.fujitsu.com>
On Thu, Aug 15, 2013 at 04:42:35PM +0800, Tang Chen wrote:
> 1. Use BRK to map a range near kernel image, let's call it range X.
> 2. Calculate how much memory needed to map all the memory, let's say
> Y Bytes.
> Use range X to map at least Y Bytes memory near kernel image.
> 3. Use the mapped memory to map all the rest memory.
>
> Does this sound OK to you guys ?
Either than where we put the page table, the rest is the same, right?
Please note that we do want the pagetable in high address by default,
so this should be an optional behavior dependent on the hotplug boot
param.
Thanks.
--
tejun
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next prev parent reply other threads:[~2013-08-15 12:19 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-08 10:16 [PATCH part5 0/7] Arrange hotpluggable memory as ZONE_MOVABLE Tang Chen
2013-08-08 10:16 ` [PATCH part5 1/7] x86: get pg_data_t's memory from other node Tang Chen
2013-08-12 14:39 ` Tejun Heo
2013-08-12 15:12 ` Tang Chen
2013-08-08 10:16 ` [PATCH part5 2/7] x86, numa, mem_hotplug: Skip all the regions the kernel resides in Tang Chen
2013-08-08 10:16 ` [PATCH part5 3/7] memblock, numa: Introduce flag into memblock Tang Chen
2013-08-08 10:16 ` [PATCH part5 4/7] memblock, mem_hotplug: Introduce MEMBLOCK_HOTPLUG flag to mark hotpluggable regions Tang Chen
2013-08-08 10:16 ` [PATCH part5 5/7] memblock, mem_hotplug: Make memblock skip hotpluggable regions by default Tang Chen
2013-08-14 21:54 ` Naoya Horiguchi
2013-08-15 5:15 ` Tang Chen
2013-08-08 10:16 ` [PATCH part5 6/7] mem-hotplug: Introduce movablenode boot option to {en|dis}able using SRAT Tang Chen
2013-08-08 10:16 ` [PATCH part5 7/7] x86, numa, acpi, memory-hotplug: Make movablenode have higher priority Tang Chen
2013-08-09 16:32 ` [PATCH part5 0/7] Arrange hotpluggable memory as ZONE_MOVABLE Tejun Heo
2013-08-12 6:33 ` Tang Chen
2013-08-12 8:54 ` Tang Chen
2013-08-12 14:50 ` Tejun Heo
2013-08-12 15:14 ` H. Peter Anvin
2013-08-12 15:23 ` Tejun Heo
2013-08-12 16:29 ` Tang Chen
2013-08-12 16:46 ` Tejun Heo
2013-08-12 18:23 ` Tang Chen
2013-08-12 20:20 ` Tejun Heo
2013-08-12 20:49 ` Luck, Tony
2013-08-12 20:54 ` Tejun Heo
2013-08-12 20:57 ` H. Peter Anvin
2013-08-12 21:06 ` Yinghai Lu
2013-08-12 21:08 ` Tejun Heo
2013-08-12 21:12 ` H. Peter Anvin
2013-08-12 21:14 ` Tejun Heo
2013-08-12 21:11 ` H. Peter Anvin
2013-08-12 21:11 ` Luck, Tony
2013-08-12 21:25 ` Yinghai Lu
2013-08-12 21:28 ` H. Peter Anvin
2013-08-13 5:14 ` H. Peter Anvin
2013-08-13 6:14 ` Tang Chen
2013-08-13 9:56 ` Tang Chen
2013-08-13 14:38 ` Tejun Heo
2013-08-13 22:33 ` Yinghai Lu
2013-08-14 1:22 ` Tang Chen
2013-08-15 19:06 ` Toshi Kani
2013-08-15 20:28 ` Yinghai Lu
2013-08-16 2:08 ` Tang Chen
2013-08-16 4:21 ` Yinghai Lu
2013-08-19 3:07 ` Tang Chen
2013-08-19 3:28 ` Yinghai Lu
2013-08-15 8:42 ` Tang Chen
2013-08-15 12:19 ` Tejun Heo [this message]
2013-08-15 12:44 ` Tang Chen
2013-08-15 12:49 ` Tejun Heo
2013-08-15 12:52 ` Tang Chen
2013-08-15 14:37 ` Yinghai Lu
2013-08-15 14:45 ` Tejun Heo
2013-08-15 15:05 ` Yinghai Lu
2013-08-15 15:10 ` Tejun Heo
2013-08-15 19:49 ` Toshi Kani
2013-08-15 19:08 ` Luck, Tony
2013-08-15 19:34 ` Yinghai Lu
2013-08-15 14:35 ` Yinghai Lu
2013-08-16 1:16 ` Tang Chen
2013-08-12 15:41 ` Tang Chen
2013-08-12 15:46 ` Tejun Heo
2013-08-12 16:19 ` Tang Chen
2013-08-12 16:22 ` Tejun Heo
2013-08-12 17:01 ` Tang Chen
2013-08-12 17:23 ` H. Peter Anvin
2013-08-14 18:22 ` KOSAKI Motohiro
2013-08-12 18:07 ` Tejun Heo
2013-08-14 18:15 ` KOSAKI Motohiro
2013-08-14 18:23 ` Tejun Heo
2013-08-14 19:40 ` KOSAKI Motohiro
2013-08-14 19:55 ` Tejun Heo
2013-08-14 20:29 ` KOSAKI Motohiro
2013-08-14 20:30 ` H. Peter Anvin
2013-08-14 20:35 ` Tejun Heo
2013-08-14 21:17 ` KOSAKI Motohiro
2013-08-14 21:36 ` Tejun Heo
2013-08-15 1:08 ` KOSAKI Motohiro
2013-08-15 1:21 ` Tejun Heo
2013-08-15 1:33 ` Tejun Heo
2013-08-15 1:44 ` KOSAKI Motohiro
2013-08-15 2:22 ` Tejun Heo
2013-08-15 1:38 ` KOSAKI Motohiro
2013-08-15 1:51 ` Tejun Heo
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