linux-kernel - Re: [PATCH -mm 11/14] bootmem: respect goal more likely

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Message-ID: <877id4jnoj.fsf@saeurebad.de>
Date:	Thu, 05 Jun 2008 10:22:52 +0200
From:	Johannes Weiner <hannes@...urebad.de>
To:	Yasunori Goto <y-goto@...fujitsu.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Yinghai Lu <yhlu.kernel@...il.com>,
	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -mm 11/14] bootmem: respect goal more likely

Hi,

Yasunori Goto <y-goto@...fujitsu.com> writes:

> Hi.
>
>> >> 
>> >> Could you boot a working image with bootmem_debug in the command line?
>> >> Perhaps seeing the usual bootmem usage on this box gives a hint what is
>> >> broken.
>> >
>> > Ok. I'll try it.
>> 
>> Thanks!
>
> I attached bootmem log with related message. 
> If you realize anything, please let me know.
>
> Note: 
>   In this hardware configuration, node 1 to 16 are "memory less" node.
>   They may be hot-added later.
>   So, there are some messages of "no start_pfn".
>   But, for_each_loop of bootmem skips them because ia64 kernel checks
>   "memory less" node and skip to call init_bootmem_node().
>   I think it is not cause.

Thank you very much.  I think I spotted the bug and will provide an
explanation and a patch when I am awake again.

	Hannes
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