linux-kernel - Re: [PATCH] x86, numa: refactoring numa_register

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Message-ID: <4D5C554E.7050701@kernel.org>
Date:	Wed, 16 Feb 2011 14:53:02 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Tejun Heo <tj@...nel.org>
CC:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	David Rientjes <rientjes@...gle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86, numa: refactoring numa_register_memblks

On 02/16/2011 02:43 PM, Tejun Heo wrote:
> Hello,
> 
> On Wed, Feb 16, 2011 at 12:58:41PM -0800, Yinghai Lu wrote:
>>
>> Don't hide init_memory_mapping and setup_bootmem into that __register__ function
>>
>> those are really work.
> 
> What does that mean?  What isn't really work?

i mean: really initmem init work.

> 
>> Also We don't need to scan two times for setup_node_bootmem() becase we
>> are using mapped memblock for node_data already.
> 
> If this isn't necessary, please make this change in a separate patch.
> This involves behavior change.

ok.


> 
>> @@ -968,6 +969,10 @@ void __init initmem_init(void)
>>  		if (numa_register_memblks(&numa_meminfo) < 0)
>>  			continue;
>>  
>> +		init_memory_mapping_high();
>> +
>> +		setup_numa_bootmem(&numa_meminfo);
>> +
> 
> Sorry, nack.  This squarely falls in the realm of bikeshedding and I
> plan on collapsing init_memory_mapping_high() into the register
> function.

no. init_memory_mapping_high now it is with early_node_map[], aka it is e820 and srat table overlapping one.

Yinghai
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