From: Tang Chen <tangchen@cn.fujitsu.com>
To: "gongzhaogang@inspur.com" <gongzhaogang@inspur.com>,
"tj@kernel.org" <tj@kernel.org>
Cc: "mingo@redhat.com" <mingo@redhat.com>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"rjw@rjwysocki.net" <rjw@rjwysocki.net>,
"hpa@zytor.com" <hpa@zytor.com>,
tangchen@cn.fujitsu.com,
"yasu.isimatu@gmail.com" <yasu.isimatu@gmail.com>,
"isimatu.yasuaki@jp.fujitsu.com" <isimatu.yasuaki@jp.fujitsu.com>,
"kamezawa.hiroyu@jp.fujitsu.com" <kamezawa.hiroyu@jp.fujitsu.com>,
"izumi.taku@jp.fujitsu.com" <izumi.taku@jp.fujitsu.com>,
"qiaonuohan@cn.fujitsu.com" <qiaonuohan@cn.fujitsu.com>,
"x86@kernel.org" <x86@kernel.org>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH 1/5] x86, gfp: Cache best near node for memory allocation.
Date: Tue, 4 Aug 2015 16:58:47 +0800 [thread overview]
Message-ID: <55C07EC7.3040301@cn.fujitsu.com> (raw)
In-Reply-To: <201508041626380745999@inspur.com>
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On 08/04/2015 04:26 PM, gongzhaogang@inspur.com wrote:
> Sorry,I am new.
> >But,
> >1) in cpu_up(), it will try to online a node, and it doesn't check if
> >the node has memory.
> >2) in try_offline_node(), it offlines CPUs first, and then the memory.
> >This behavior looks a little wired, or let's say it is ambiguous. It
> >seems that a NUMA node
> >consists of CPUs and memory. So if the CPUs are online, the node should
> >be online.
> I suggested you to try the patch offered by Liu Jiang.
>
> https://lkml.org/lkml/2014/9/11/1087
>
Well, I think Liu Jiang meant this patch set. :)
https://lkml.org/lkml/2014/7/11/75
> I have tried ,It is OK.
>
> >Unfortunately, since I don't have a machine a with memory-less node, I
> >cannot reproduce
> >the problem right now.
>
> If not hurried , I can test your patches in our environment on weekends.
>
Thanks. But this version of my patch set is obviously problematic.
It will be very nice of you if you can help to test the next version.
But maybe in a few days.
Thanks. :)
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next prev parent reply other threads:[~2015-08-04 8:58 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-07 9:30 [PATCH 0/5] Make cpuid <-> nodeid mapping persistent Tang Chen
2015-07-07 9:30 ` Tang Chen
2015-07-07 9:30 ` Tang Chen
2015-07-07 9:30 ` [PATCH 1/5] x86, gfp: Cache best near node for memory allocation Tang Chen
2015-07-07 9:30 ` Tang Chen
2015-07-15 21:48 ` Tejun Heo
2015-07-15 21:48 ` Tejun Heo
2015-08-04 3:36 ` Tang Chen
2015-08-04 3:36 ` Tang Chen
2015-08-04 3:36 ` Tang Chen
2015-08-04 8:05 ` Jiang Liu
2015-08-04 8:05 ` Jiang Liu
2015-08-04 8:24 ` Tang Chen
2015-08-04 8:24 ` Tang Chen
2015-08-04 8:24 ` Tang Chen
2015-08-09 6:15 ` Tang Chen
2015-08-09 6:15 ` Tang Chen
2015-08-12 1:53 ` Jiang Liu
2015-08-12 1:53 ` Jiang Liu
2015-08-04 8:26 ` gongzhaogang
2015-08-04 8:26 ` gongzhaogang
2015-08-04 8:53 ` Tang Chen
2015-08-04 8:58 ` Tang Chen [this message]
2015-07-07 9:30 ` [PATCH 2/5] x86, acpi, cpu-hotplug: Enable acpi to register all possible cpus at boot time Tang Chen
2015-07-07 9:30 ` Tang Chen
2015-07-07 9:30 ` [PATCH 3/5] x86, acpi, cpu-hotplug: Introduce apicid_to_cpuid[] array to store persistent cpuid <-> apicid mapping Tang Chen
2015-07-07 9:30 ` Tang Chen
2015-07-07 11:14 ` Mika Penttilä
2015-07-07 11:14 ` Mika Penttilä
2015-07-15 3:33 ` Tang Chen
2015-07-15 3:33 ` Tang Chen
2015-07-15 3:33 ` Tang Chen
2015-07-15 5:35 ` Jiang Liu
2015-07-15 5:35 ` Jiang Liu
2015-07-15 5:35 ` Jiang Liu
2015-07-15 6:26 ` Tang Chen
2015-07-15 6:26 ` Tang Chen
2015-07-15 6:26 ` Tang Chen
2015-07-15 22:02 ` Tejun Heo
2015-07-15 22:02 ` Tejun Heo
2015-07-07 9:30 ` [PATCH 4/5] x86, acpi, cpu-hotplug: Enable MADT APIs to return disabled apicid Tang Chen
2015-07-07 9:30 ` Tang Chen
2015-07-15 22:06 ` Tejun Heo
2015-07-15 22:06 ` Tejun Heo
2015-07-07 9:30 ` [PATCH 5/5] x86, acpi, cpu-hotplug: Set persistent cpuid <-> nodeid mapping when booting Tang Chen
2015-07-07 9:30 ` Tang Chen
2015-07-15 22:13 ` [PATCH 0/5] Make cpuid <-> nodeid mapping persistent Tejun Heo
2015-07-15 22:13 ` Tejun Heo
2015-07-23 4:44 ` Tang Chen
2015-07-23 4:44 ` Tang Chen
2015-07-23 4:44 ` Tang Chen
2015-07-23 18:32 ` Tejun Heo
2015-07-23 18:32 ` Tejun Heo
-- strict thread matches above, loose matches on Subject: below --
2015-07-01 4:45 Tang Chen
2015-07-01 4:45 ` [PATCH 1/5] x86, gfp: Cache best near node for memory allocation Tang Chen
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