From: Andi Kleen <ak@linux.intel.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: xieyisheng1@huawei.com, toshi.kani@hpe.com,
iamjoonsoo.kim@lge.com,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Zhang Zhen <zhenzhang.zhang@huawei.com>,
Tang Chen <tangchen@cn.fujitsu.com>,
linux-mm@kvack.org, qiuxishi@huawei.com,
"K. Y. Srinivasan" <kys@microsoft.com>,
linux-s390@vger.kernel.org,
Daniel Kiper <daniel.kiper@oracle.com>,
linux-acpi@vger.kernel.org, David Rientjes <rientjes@google.com>,
xen-devel@lists.xenproject.org,
Reza Arbab <arbab@linux.vnet.ibm.com>,
Yasuaki Ishimatsu <yasu.isimatu@gmail.com>,
slaoub@gmail.com, Andrew Morton <akpm@linux-foundation.org>,
vbabka@suse.cz, Greg KH <gregkh@linuxfoundation.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-api@vger.kernel.org, Igor Mammedov <imammedo@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>
Subject: Re: WTH is going on with memory hotplug sysf interface (was: Re: [RFC PATCH] mm, hotplug: get rid of auto_online_blocks)
Date: Mon, 13 Mar 2017 16:16:04 -0700 [thread overview]
Message-ID: <20170313231604.GF32070__15672.3514701755$1489467238$gmane$org@tassilo.jf.intel.com> (raw)
In-Reply-To: <20170313151100.GS31518@dhcp22.suse.cz>
> and ARCH_SPARSEMEM_DEFAULT is enabeld on 64b. So I guess whatever was
> the reason to add this code back in 2006 is not true anymore. So I am
> really wondering. Do we absolutely need to assign pages which are not
> onlined yet to the ZONE_NORMAL unconditionally? Why cannot we put them
> out of any zone and wait for memory online operation to put them where
> requested?
I don't remember any specific reason. May have just been simplification.
Should be fine to use any zone.
-Andi
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next prev parent reply other threads:[~2017-03-13 23:16 UTC|newest]
Thread overview: 142+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-27 9:28 [RFC PATCH] mm, hotplug: get rid of auto_online_blocks Michal Hocko
2017-02-27 9:28 ` Michal Hocko
2017-02-27 10:02 ` Vitaly Kuznetsov
2017-02-27 10:02 ` Vitaly Kuznetsov
2017-02-27 10:02 ` Vitaly Kuznetsov
2017-02-27 10:21 ` Michal Hocko
2017-02-27 10:21 ` Michal Hocko
2017-02-27 10:49 ` Vitaly Kuznetsov
2017-02-27 10:49 ` Vitaly Kuznetsov
2017-02-27 12:56 ` Michal Hocko
2017-02-27 12:56 ` Michal Hocko
2017-02-27 13:17 ` Vitaly Kuznetsov
[not found] ` <20170227125636.GB26504-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2017-02-27 13:17 ` Vitaly Kuznetsov
2017-02-27 13:17 ` Vitaly Kuznetsov
2017-02-27 13:17 ` Vitaly Kuznetsov
2017-02-27 12:56 ` Michal Hocko
2017-02-27 10:49 ` Vitaly Kuznetsov
2017-02-27 10:21 ` Michal Hocko
2017-02-27 11:25 ` Heiko Carstens
2017-02-27 11:25 ` Heiko Carstens
2017-02-27 11:25 ` Heiko Carstens
2017-02-27 11:50 ` Vitaly Kuznetsov
2017-02-27 11:50 ` Vitaly Kuznetsov
2017-02-27 11:50 ` Vitaly Kuznetsov
2017-02-27 15:43 ` Michal Hocko
2017-02-27 15:43 ` Michal Hocko
2017-02-27 15:43 ` Michal Hocko
2017-02-28 10:21 ` Heiko Carstens
2017-02-28 10:21 ` Heiko Carstens
2017-02-28 10:21 ` Heiko Carstens
2017-03-02 13:53 ` Igor Mammedov
2017-03-02 13:53 ` Igor Mammedov
2017-03-02 13:53 ` Igor Mammedov
2017-03-02 14:28 ` Michal Hocko
2017-03-02 14:28 ` Michal Hocko
2017-03-02 17:03 ` Igor Mammedov
2017-03-02 17:03 ` Igor Mammedov
2017-03-03 8:27 ` Michal Hocko
2017-03-03 8:27 ` Michal Hocko
2017-03-03 17:34 ` Igor Mammedov
2017-03-03 17:34 ` Igor Mammedov
2017-03-06 14:54 ` Michal Hocko
2017-03-06 14:54 ` Michal Hocko
2017-03-06 14:54 ` Michal Hocko
2017-03-07 12:40 ` Igor Mammedov
2017-03-07 12:40 ` Igor Mammedov
2017-03-09 12:54 ` Michal Hocko
2017-03-09 12:54 ` Michal Hocko
2017-03-09 12:54 ` Michal Hocko
2017-03-10 13:58 ` WTH is going on with memory hotplug sysf interface (was: Re: [RFC PATCH] mm, hotplug: get rid of auto_online_blocks) Michal Hocko
2017-03-10 13:58 ` Michal Hocko
2017-03-10 13:58 ` Michal Hocko
2017-03-10 15:53 ` Michal Hocko
2017-03-10 15:53 ` Michal Hocko
2017-03-10 15:53 ` Michal Hocko
2017-03-10 19:00 ` Reza Arbab
2017-03-10 19:00 ` Reza Arbab
2017-03-10 19:00 ` Reza Arbab
2017-03-13 9:21 ` Michal Hocko
2017-03-13 9:21 ` Michal Hocko
2017-03-13 9:21 ` Michal Hocko
2017-03-13 14:58 ` Reza Arbab
2017-03-13 14:58 ` Reza Arbab
2017-03-13 14:58 ` Reza Arbab
2017-03-14 19:35 ` Andrea Arcangeli
2017-03-14 19:35 ` Andrea Arcangeli
2017-03-14 19:35 ` Andrea Arcangeli
2017-03-15 7:57 ` Michal Hocko
2017-03-15 7:57 ` Michal Hocko
2017-03-15 7:57 ` Michal Hocko
2017-03-13 15:11 ` Michal Hocko
2017-03-13 15:11 ` Michal Hocko
2017-03-13 23:16 ` Andi Kleen [this message]
2017-03-13 23:16 ` Andi Kleen
2017-03-13 23:16 ` Andi Kleen
2017-03-13 23:16 ` Andi Kleen
2017-03-13 15:11 ` Michal Hocko
2017-03-10 17:39 ` WTH is going on with memory hotplug sysf interface Yasuaki Ishimatsu
2017-03-10 17:39 ` Yasuaki Ishimatsu
2017-03-13 9:19 ` Michal Hocko
2017-03-13 9:19 ` Michal Hocko
2017-03-14 16:05 ` YASUAKI ISHIMATSU
2017-03-14 16:05 ` YASUAKI ISHIMATSU
2017-03-14 16:05 ` YASUAKI ISHIMATSU
2017-03-14 16:20 ` Michal Hocko
2017-03-14 16:20 ` Michal Hocko
2017-03-14 16:20 ` Michal Hocko
2017-03-13 9:19 ` Michal Hocko
2017-03-10 17:39 ` Yasuaki Ishimatsu
2017-03-13 10:31 ` WTH is going on with memory hotplug sysf interface (was: Re: [RFC PATCH] mm, hotplug: get rid of auto_online_blocks) Igor Mammedov
2017-03-13 10:31 ` Igor Mammedov
2017-03-13 10:43 ` Michal Hocko
2017-03-13 10:43 ` Michal Hocko
2017-03-13 10:43 ` Michal Hocko
2017-03-13 13:57 ` Igor Mammedov
2017-03-13 13:57 ` Igor Mammedov
2017-03-13 14:36 ` Michal Hocko
2017-03-13 14:36 ` Michal Hocko
2017-03-13 14:36 ` Michal Hocko
2017-03-13 13:57 ` Igor Mammedov
2017-03-13 10:31 ` Igor Mammedov
2017-03-13 10:55 ` [RFC PATCH] mm, hotplug: get rid of auto_online_blocks Igor Mammedov
2017-03-13 10:55 ` Igor Mammedov
2017-03-13 10:55 ` Igor Mammedov
2017-03-13 12:28 ` Michal Hocko
2017-03-13 12:28 ` Michal Hocko
2017-03-13 12:28 ` Michal Hocko
2017-03-13 12:54 ` Vitaly Kuznetsov
2017-03-13 12:54 ` Vitaly Kuznetsov
2017-03-13 12:54 ` Vitaly Kuznetsov
2017-03-13 13:19 ` Michal Hocko
2017-03-13 13:19 ` Michal Hocko
2017-03-13 13:19 ` Michal Hocko
2017-03-13 13:42 ` Vitaly Kuznetsov
2017-03-13 13:42 ` Vitaly Kuznetsov
2017-03-13 14:32 ` Michal Hocko
2017-03-13 14:32 ` Michal Hocko
2017-03-13 15:10 ` Vitaly Kuznetsov
2017-03-13 15:10 ` Vitaly Kuznetsov
2017-03-13 15:10 ` Vitaly Kuznetsov
2017-03-13 14:32 ` Michal Hocko
2017-03-13 13:42 ` Vitaly Kuznetsov
2017-03-14 13:20 ` Igor Mammedov
2017-03-14 13:20 ` Igor Mammedov
2017-03-14 13:20 ` Igor Mammedov
2017-03-15 7:53 ` Michal Hocko
2017-03-15 7:53 ` Michal Hocko
2017-03-15 7:53 ` Michal Hocko
2017-03-07 12:40 ` Igor Mammedov
2017-03-10 22:00 ` Daniel Kiper
2017-03-10 22:00 ` Daniel Kiper
2017-03-10 22:00 ` Daniel Kiper
2017-03-03 17:34 ` Igor Mammedov
2017-03-03 8:27 ` Michal Hocko
2017-03-02 17:03 ` Igor Mammedov
2017-03-02 14:28 ` Michal Hocko
2017-02-27 17:28 ` Reza Arbab
2017-02-27 17:28 ` Reza Arbab
2017-02-27 17:28 ` Reza Arbab
2017-02-27 17:34 ` Michal Hocko
2017-02-27 17:34 ` Michal Hocko
2017-02-27 17:34 ` Michal Hocko
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