From: Andrew Morton <akpm@linux-foundation.org>
To: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: "Luck, Tony" <tony.luck@intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Tang Chen <tangchen@cn.fujitsu.com>,
"jiang.liu@huawei.com" <jiang.liu@huawei.com>,
"wujianguo@huawei.com" <wujianguo@huawei.com>,
"wency@cn.fujitsu.com" <wency@cn.fujitsu.com>,
"laijs@cn.fujitsu.com" <laijs@cn.fujitsu.com>,
"linfeng@cn.fujitsu.com" <linfeng@cn.fujitsu.com>,
"yinghai@kernel.org" <yinghai@kernel.org>,
"rob@landley.net" <rob@landley.net>,
"kosaki.motohiro@jp.fujitsu.com" <kosaki.motohiro@jp.fujitsu.com>,
"minchan.kim@gmail.com" <minchan.kim@gmail.com>,
"mgorman@suse.de" <mgorman@suse.de>,
"rientjes@google.com" <rientjes@google.com>,
"guz.fnst@cn.fujitsu.com" <guz.fnst@cn.fujitsu.com>,
"rusty@rustcorp.com.au" <rusty@rustcorp.com.au>,
"lliubbo@gmail.com" <lliubbo@gmail.com>,
"jaegeuk.hanse@gmail.com" <jaegeuk.hanse@gmail.com>,
"glommer@parallels.com" <glommer@parallels.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH v5 0/5] Add movablecore_map boot option
Date: Wed, 16 Jan 2013 13:29:53 -0800 [thread overview]
Message-ID: <20130116132953.6159b673.akpm@linux-foundation.org> (raw)
In-Reply-To: <50F647E8.509@jp.fujitsu.com>
On Wed, 16 Jan 2013 15:25:44 +0900
Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> wrote:
> >
> > Things I'm wondering:
> >
> > - is there *really* a case for retaining the boot option if/when
> > SRAT support is available?
>
> Yes. If SRAT support is available, all memory which enabled hotpluggable
> bit are managed by ZONEMOVABLE. But performance degradation may
> occur by NUMA because we can only allocate anonymous page and page-cache
> from these memory.
>
> In this case, if user cannot change SRAT information, user needs a way to
> select/set removable memory manually.
If I understand this correctly you mean that once SRAT parsing is
implemented, the user can use movablecore_map to override that SRAT
parsing, yes? That movablecore_map will take precedence over SRAT?
--
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:[~2013-01-16 21:29 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-14 9:15 [PATCH v5 0/5] Add movablecore_map boot option Tang Chen
2013-01-14 9:15 ` [PATCH v5 1/5] x86: get pg_data_t's memory from other node Tang Chen
2013-01-14 9:15 ` [PATCH v5 2/5] page_alloc: add movable_memmap kernel parameter Tang Chen
2013-01-14 22:35 ` Andrew Morton
2013-01-14 9:15 ` [PATCH v5 3/5] page_alloc: Introduce zone_movable_limit[] to keep movable limit for nodes Tang Chen
2013-01-14 9:15 ` [PATCH v5 4/5] page_alloc: Make movablecore_map has higher priority Tang Chen
2013-01-14 9:15 ` [PATCH v5 5/5] page_alloc: Bootmem limit with movablecore_map Tang Chen
2013-01-14 17:31 ` [PATCH v5 0/5] Add movablecore_map boot option H. Peter Anvin
2013-01-14 22:34 ` Andrew Morton
2013-01-14 22:41 ` Luck, Tony
2013-01-14 22:46 ` Andrew Morton
2013-01-16 6:25 ` Yasuaki Ishimatsu
2013-01-16 21:29 ` Andrew Morton [this message]
2013-01-16 22:01 ` KOSAKI Motohiro
2013-01-16 23:00 ` H. Peter Anvin
2013-01-17 20:27 ` KOSAKI Motohiro
2013-01-16 22:52 ` H. Peter Anvin
2013-01-17 1:49 ` Tang Chen
2013-01-17 20:20 ` KOSAKI Motohiro
2013-01-17 5:08 ` Yasuaki Ishimatsu
2013-01-17 6:03 ` H. Peter Anvin
2013-01-17 16:30 ` Luck, Tony
2013-01-17 20:28 ` KOSAKI Motohiro
2013-01-18 6:05 ` Yasuaki Ishimatsu
2013-01-18 6:25 ` H. Peter Anvin
2013-01-18 7:38 ` Yasuaki Ishimatsu
2013-01-18 8:08 ` Tang Chen
2013-01-18 9:23 ` li guang
2013-01-18 18:29 ` Luck, Tony
2013-01-19 1:06 ` Jiang Liu
2013-01-19 7:52 ` Chen Gong
2013-01-21 7:36 ` Yasuaki Ishimatsu
2013-01-15 1:23 ` Yasuaki Ishimatsu
2013-01-15 3:44 ` H. Peter Anvin
2013-01-15 4:04 ` Luck, Tony
2013-01-15 0:05 ` Toshi Kani
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=20130116132953.6159b673.akpm@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=glommer@parallels.com \
--cc=guz.fnst@cn.fujitsu.com \
--cc=hpa@zytor.com \
--cc=isimatu.yasuaki@jp.fujitsu.com \
--cc=jaegeuk.hanse@gmail.com \
--cc=jiang.liu@huawei.com \
--cc=kosaki.motohiro@jp.fujitsu.com \
--cc=laijs@cn.fujitsu.com \
--cc=linfeng@cn.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lliubbo@gmail.com \
--cc=mgorman@suse.de \
--cc=minchan.kim@gmail.com \
--cc=rientjes@google.com \
--cc=rob@landley.net \
--cc=rusty@rustcorp.com.au \
--cc=tangchen@cn.fujitsu.com \
--cc=tony.luck@intel.com \
--cc=wency@cn.fujitsu.com \
--cc=wujianguo@huawei.com \
--cc=yinghai@kernel.org \
/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;
as well as URLs for NNTP newsgroup(s).