Re: [PATCH] module: kzalloc mod->ref

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From: Takashi Iwai

Subject: Re: [PATCH] module: kzalloc mod->ref

Date: Wednesday, January 14, 2009 - 1:37 pm

At Wed, 14 Jan 2009 14:29:08 -0500,
Valdis.Kletnieks@vt.edu wrote:
quoted text> 
> On Wed, 14 Jan 2009 17:25:31 +0100, Takashi Iwai said:
> 
> > We can use nr_cpu_ids instead of NR_CPUS.
> > For a machine like 4096 CPUs, such an amount of memory is like a
> > peanut :)
> 
> It's not peanuts if you're dealing with a distro kernel that's essentially
> forced to compile with NR_CPUS=<some moby integer>, but booting on a single or
> dual core system with possibly not even 1G of memory.

My suggestion above is to use nr_cpu_ids, which is the actual number
of CPUs, not a constant like NR_CPUS.


Takashi
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Messages in current thread:

[PATCH] module: kzalloc mod->ref, Kyle McMartin, (Tue Jan 13, 8:35 pm)

[PATCHv2] module: kzalloc mod->ref, Kyle McMartin, (Tue Jan 13, 10:54 pm)

Re: [PATCH] module: kzalloc mod->ref, Takashi Iwai, (Wed Jan 14, 2:09 am)

Re: [PATCH] module: kzalloc mod->ref, richard kennedy, (Wed Jan 14, 3:15 am)

Re: [PATCH] module: kzalloc mod->ref, Kyle McMartin, (Wed Jan 14, 8:58 am)

Re: [PATCH] module: kzalloc mod->ref, Takashi Iwai, (Wed Jan 14, 9:25 am)

Re: [PATCH] module: kzalloc mod->ref, richard kennedy, (Wed Jan 14, 10:51 am)

Re: [PATCH] module: kzalloc mod->ref, Kyle McMartin, (Wed Jan 14, 11:17 am)

Re: [PATCH] module: kzalloc mod->ref, Valdis.Kletnieks, (Wed Jan 14, 12:29 pm)

Re: [PATCH] module: kzalloc mod->ref, Takashi Iwai, (Wed Jan 14, 1:37 pm)

Re: [PATCH] module: kzalloc mod->ref, Kyle McMartin, (Wed Jan 14, 1:53 pm)

Re: [PATCH] module: kzalloc mod->ref, Kyle McMartin, (Wed Jan 14, 11:03 pm)

Re: [PATCH] module: kzalloc mod->ref, Richard Kennedy, (Sun Jan 25, 8:52 am)

Re: [PATCH] module: kzalloc mod->ref, Rusty Russell, (Mon Jan 26, 6:36 pm)

Re: [PATCH] module: kzalloc mod->ref, Tejun Heo, (Mon Jan 26, 6:58 pm)

Re: [PATCH] module: kzalloc mod->ref, Ingo Molnar, (Tue Jan 27, 6:15 am)

Re: [PATCH] module: kzalloc mod->ref, Rusty Russell, (Wed Jan 28, 5:24 am)


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