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

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Message-ID: <s5hmydufe3c.wl%tiwai@suse.de>
Date:	Wed, 14 Jan 2009 10:09:59 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Kyle McMartin <kyle@...radead.org>
Cc:	rusty@...tcorp.com.au, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] module: kzalloc mod->ref

At Tue, 13 Jan 2009 22:35:33 -0500,
Kyle McMartin wrote:
> 
> From: Kyle McMartin <kyle@...hat.com>
> 
> Dynamically allocate mod->ref instead of fixing it in the struct module.
> Reduces on disk space wasted in the module .ko, and kills a loop
> initializing the local_t it contains since we can just kzalloc it.
> 
> This matters when we're talking about large NR_CPUS.
> 
> Signed-off-by: Kyle McMartin <kyle@...hat.com>
> ---
> The patch removing cacheline_aligned from struct module_ref should be
> applied as well to cut down on the amount of memory we allocate. This
> patch makes a nice stopgap until we have per_cpu module references.
> 
> cheers, Kyle

Similar patches (including mine) have been already posted, but no
proceed until now...
	http://lkml.org/lkml/2008/11/11/315


thanks,

Takashi
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