From: Hush Bensen <hush.bensen@gmail.com>
To: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Cc: Michal Hocko <mhocko@suse.cz>,
Wanpeng Li <liwanp@linux.vnet.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
David Rientjes <rientjes@google.com>,
Jiang Liu <jiang.liu@huawei.com>,
Tang Chen <tangchen@cn.fujitsu.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org
Subject: Re: [patch v2 3/6] mm/memory_hotplug: Disable memory hotremove for 32bit
Date: Sun, 26 May 2013 21:49:21 +0800 [thread overview]
Message-ID: <51A212E1.40806@gmail.com> (raw)
In-Reply-To: <CAHGf_=pTEvunQ6fJQZ0MGwGmT31LryGmmfRUgC5T3AMzXQmx2w@mail.gmail.com>
ao? 2013/5/26 21:06, KOSAKI Motohiro a??e??:
> On Sun, May 26, 2013 at 8:45 AM, Hush Bensen <hush.bensen@gmail.com> wrote:
>> ao? 2013/5/26 19:58, KOSAKI Motohiro a??e??:
>>
>>>>> As KOSAKI Motohiro mentioned, memory hotplug don't support 32bit since
>>>>> it was born,
>>>> Why? any reference? This reasoning is really weak.
>>> I have no seen any highmem support in memory hotplug code and I don't
>>> think this
>>> patch fixes all 32bit highmem issue. If anybody are interesting to
>>> support it, it is good thing. But in fact, _now_ it is broken when
>>> enable HIGHMEM.
>>
>> But online/offline memory can work well when enable HIGHMEM, isn't it?
> If you are lucky.
I think it can work well on my x86_32 with highmem enable box.
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next prev parent reply other threads:[~2013-05-26 13:49 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-26 5:58 [PATCH v3 1/6] mm/memory-hotplug: fix lowmem count overflow when offline pages Wanpeng Li
2013-05-26 5:58 ` [PATCH v3 2/6] mm/memory_hotplug: remove memory_add_physaddr_to_nid Wanpeng Li
2013-05-26 8:59 ` Michal Hocko
2013-05-26 9:03 ` Wanpeng Li
2013-05-26 9:03 ` Wanpeng Li
2013-05-26 5:58 ` [patch v2 3/6] mm/memory_hotplug: Disable memory hotremove for 32bit Wanpeng Li
2013-05-26 9:00 ` Michal Hocko
2013-05-26 9:06 ` Wanpeng Li
2013-05-26 9:06 ` Wanpeng Li
2013-05-26 18:12 ` Michal Hocko
2013-05-26 23:51 ` Wanpeng Li
2013-05-26 23:51 ` Wanpeng Li
2013-05-27 6:48 ` Michal Hocko
2013-05-27 7:00 ` Wanpeng Li
2013-05-27 7:00 ` Wanpeng Li
2013-05-26 11:58 ` KOSAKI Motohiro
2013-05-26 12:45 ` Hush Bensen
2013-05-26 13:06 ` KOSAKI Motohiro
2013-05-26 13:49 ` Hush Bensen [this message]
2013-05-26 18:09 ` Michal Hocko
2013-05-26 22:02 ` KOSAKI Motohiro
2013-05-26 5:58 ` [PATCH v3 4/6] mm/hugetlb: use already exist interface huge_page_shift Wanpeng Li
2013-05-26 5:58 ` [PATCH v3 5/6] mm/pageblock: remove get/set_pageblock_flags Wanpeng Li
2013-05-26 5:58 ` [PATCH v3 6/6] mm/hugetlb: remove hugetlb_prefault Wanpeng Li
2013-05-26 11:49 ` [PATCH v3 1/6] mm/memory-hotplug: fix lowmem count overflow when offline pages KOSAKI Motohiro
2013-05-27 0:02 ` Wanpeng Li
2013-05-27 0:02 ` Wanpeng Li
[not found] ` <51a2a2ab.a2f6420a.33bb.ffffda23SMTPIN_ADDED_BROKEN@mx.google.com>
2013-05-27 6:42 ` KOSAKI Motohiro
2013-05-26 14:26 ` Liu Jiang
2013-05-26 23:44 ` Wanpeng Li
2013-05-26 23:44 ` Wanpeng Li
2013-05-28 3:37 ` Ben Hutchings
2013-05-28 7:16 ` Wanpeng Li
2013-05-28 7:16 ` Wanpeng Li
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