linux-kernel - Re: [patch 4/4] cpu alloc: Use cpu allocator instead of the builtin modules per cpu allocator

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Date:	Fri, 19 Sep 2008 09:39:55 +0200
From:	Eric Dumazet <dada1@...mosbay.com>
To:	Christoph Lameter <cl@...ux-foundation.org>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	Christoph Lameter <clameter@....com>, linux-mm@...r.kernel.org,
	jeremy@...p.org, ebiederm@...ssion.com, travis@....com,
	herbert@...dor.apana.org.au, xemul@...nvz.org
Subject: Re: [patch 4/4] cpu alloc: Use cpu allocator instead of the builtin
 modules per cpu allocator

Christoph Lameter a écrit :
> Remove the builtin per cpu allocator from modules.c and use cpu_alloc instead.
> 
> Signed-off-by: Christoph Lameter <clameter@....com>

> +		percpu_size = sechdrs[pcpuindex].sh_size;
> +
> +		if (align > PAGE_SIZE) {
> +			printk(KERN_WARNING "%s: per-cpu alignment %li > %li\n",
> +			      	mod->name, align, PAGE_SIZE);
> +			align = PAGE_SIZE;
> +		}

Minor question : Wy do you have to keep this cap of alignment ?

I could not find such a limit in the allocator




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