All of lore.kernel.org
 help / color / mirror / Atom feed
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=47A91A3D.3070708@jp.fujitsu.com \
    --to=seto.hidetoshi@jp.fujitsu.com \
    --cc=linux-ia64@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.