linux-kernel - Re: [PATCH 2/3] x86/numa_emulation: assign physnode_mask directly from numa_nodes

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Message-ID: <20170411014223.GA35630@WeideMacBook-Pro.local>
Date:   Tue, 11 Apr 2017 09:42:23 +0800
From:   Wei Yang <richard.weiyang@...il.com>
To:     David Rientjes <rientjes@...gle.com>
Cc:     Wei Yang <richard.weiyang@...il.com>, kirill@...temov.name,
        bp@...en8.de, tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
        tj@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] x86/numa_emulation: assign physnode_mask directly
 from numa_nodes_parsed

On Mon, Apr 10, 2017 at 05:26:03PM -0700, David Rientjes wrote:
>On Tue, 11 Apr 2017, Wei Yang wrote:
>
>> According to current code path, numa_nodes_parsed is already setup when
>> numa_emucation() is called.
>> 
>>     x86_numa_init()
>>         numa_init()
>> 	    init_func()
>> 
>> 	    numa_emulation()
>> 
>>             numa_register_memblks()
>>
>
>s/numa_emucation/numa_emulation/, but I think everything above should just 
>be reworded to say the following since it establishes the dependency:
>
>numa_init() has already called init_func(), which is responsible for 
>setting numa_nodes_parsed, so use this nodemask instead of re-finding it 
>when calling numa_emulation().
>

Yep, thanks.

Looks your change log is better :-)

>> This means we can get the physnode_mask directly from numa_nodes_parsed. At
>> the same time, this patch correct the comment of these two functions.
>> 
>> Signed-off-by: Wei Yang <richard.weiyang@...il.com>
>
>Acked-by: David Rientjes <rientjes@...gle.com>

-- 
Wei Yang
Help you, Help me

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