Message-ID: <55C076A8.6060206@cn.fujitsu.com>
Date: Tue, 4 Aug 2015 16:24:08 +0800
From: Tang Chen <tangchen@cn.fujitsu.com>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0
MIME-Version: 1.0
To: Jiang Liu <jiang.liu@linux.intel.com>, Tejun Heo <tj@kernel.org>
CC: <mingo@redhat.com>, <akpm@linux-foundation.org>, <rjw@rjwysocki.net>,
        <hpa@zytor.com>, <laijs@cn.fujitsu.com>, <yasu.isimatu@gmail.com>,
        <isimatu.yasuaki@jp.fujitsu.com>, <kamezawa.hiroyu@jp.fujitsu.com>,
        <izumi.taku@jp.fujitsu.com>, <gongzhaogang@inspur.com>,
        <qiaonuohan@cn.fujitsu.com>, <x86@kernel.org>,
        <linux-acpi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linux-mm@kvack.org>, <tangchen@cn.fujitsu.com>
Subject: Re: [PATCH 1/5] x86, gfp: Cache best near node for memory allocation.
References: <1436261425-29881-1-git-send-email-tangchen@cn.fujitsu.com> <1436261425-29881-2-git-send-email-tangchen@cn.fujitsu.com> <20150715214802.GL15934@mtj.duckdns.org> <55C03332.2030808@cn.fujitsu.com> <55C0725B.80201@linux.intel.com>
In-Reply-To: <55C0725B.80201@linux.intel.com>
Content-Type: text/plain; charset="windows-1252"; format=flowed
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 877
Lines: 29


On 08/04/2015 04:05 PM, Jiang Liu wrote:
> ......
>
>
> 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.
> Hi Chen,
> 	I have posted a patch set to enable memoryless node on x86,
> will repost it for review:) Hope it help to solve this issue.
> Thanks!
> Gerry
>
>
Sure. Looking forward to the latest patches. :)

Thanks.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/