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From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [patch] Fix large MCA bootmem allocation
Date: Wed, 06 Feb 2008 02:23:57 +0000	[thread overview]
Message-ID: <47A91A3D.3070708@jp.fujitsu.com> (raw)
In-Reply-To: <20080205193232.GA8834@sgi.com>

Robin Holt wrote:
> On Wed, Feb 06, 2008 at 09:30:17AM +0900, Hidetoshi Seto wrote:
>> Russ Anderson wrote:
>>> The MCA code allocates bootmem memory for NR_CPUS, regardless
>>> of how many cpus the system actually has.
>> So... how about using num_possible_cpus() instead?
> 
> num_possible_cpus() is not initialized until after this code is run for
> the first time.

I grant you.
Then, I suppose we need a CPU_UP_PREPARE callback to allocate memory
before hot-added CPU enters cpu_init().

Thanks,
H.Seto


  parent reply	other threads:[~2008-02-06  2:23 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-05 19:32 [patch] Fix large MCA bootmem allocation Russ Anderson
2008-02-05 20:21 ` Bjorn Helgaas
2008-02-05 23:12 ` Russ Anderson
2008-02-05 23:24 ` Bjorn Helgaas
2008-02-05 23:54 ` Luck, Tony
2008-02-05 23:54 ` Russ Anderson
2008-02-06  0:00 ` Luck, Tony
2008-02-06  0:30 ` Hidetoshi Seto
2008-02-06  1:34 ` Robin Holt
2008-02-06  2:23 ` Hidetoshi Seto [this message]
2008-02-06  3:50 ` Hidetoshi Seto
2008-02-06 10:44 ` Robin Holt
2008-02-06 12:39 ` Hidetoshi Seto
2008-02-06 13:22 ` Robin Holt
2008-02-06 15:13 ` Russ Anderson
2008-02-06 23:32 ` Russ Anderson

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