From: Tang Chen <tangchen@cn.fujitsu.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Tejun Heo <tj@kernel.org>,
Tang Chen <imtangchen@gmail.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>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
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: Fri, 16 Aug 2013 09:16:20 +0800 [thread overview]
Message-ID: <520D7D64.2020806@cn.fujitsu.com> (raw)
In-Reply-To: <CAE9FiQV=7NJrT=hTq77rEeXCuMuZLeW9VFUCOjhgrX0rNpbKXg@mail.gmail.com>
On 08/15/2013 10:35 PM, Yinghai Lu wrote:
> On Thu, Aug 15, 2013 at 1:42 AM, Tang Chen<tangchen@cn.fujitsu.com> wrote:
>
>> So if we want to allocate page tables near the kernelimage, we have to do
>> the following:
>>
>> 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 ?
>
> oh, no.
> We just get rid of pre-calculate the buffer size for page tables.
>
You mean BRK ? I know that and will first use up this memory.
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: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2013-08-16 1:17 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-08 10:16 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
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 [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=520D7D64.2020806@cn.fujitsu.com \
--to=tangchen@cn.fujitsu.com \
--cc=akpm@linux-foundation.org \
--cc=gong.chen@linux.intel.com \
--cc=hpa@zytor.com \
--cc=imtangchen@gmail.com \
--cc=isimatu.yasuaki@jp.fujitsu.com \
--cc=izumi.taku@jp.fujitsu.com \
--cc=jiang.liu@huawei.com \
--cc=jweiner@redhat.com \
--cc=laijs@cn.fujitsu.com \
--cc=lenb@kernel.org \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lv.zheng@intel.com \
--cc=lwoodman@redhat.com \
--cc=mgorman@suse.de \
--cc=mina86@mina86.com \
--cc=minchan@kernel.org \
--cc=mingo@elte.hu \
--cc=prarit@redhat.com \
--cc=riel@redhat.com \
--cc=rjw@sisk.pl \
--cc=robert.moore@intel.com \
--cc=tglx@linutronix.de \
--cc=tj@kernel.org \
--cc=tony.luck@intel.com \
--cc=trenn@suse.de \
--cc=vasilis.liaskovitis@profitbricks.com \
--cc=wency@cn.fujitsu.com \
--cc=x86@kernel.org \
--cc=yanghy@cn.fujitsu.com \
--cc=yinghai@kernel.org \
--cc=zhangyanfei@cn.fujitsu.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox