linux-kernel - Re: [PATCH 7/8] v3 Define memory_block_size

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Message-ID: <4C475827.8040605@linux.vnet.ibm.com>
Date:	Wed, 21 Jul 2010 15:27:19 -0500
From:	Brian King <brking@...ux.vnet.ibm.com>
To:	Nathan Fontenot <nfont@...tin.ibm.com>
CC:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linuxppc-dev@...abs.org, greg@...ah.com,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [PATCH 7/8] v3 Define memory_block_size_bytes() for ppc/pseries

On 07/19/2010 10:59 PM, Nathan Fontenot wrote:
> 
> +static u32 get_memblock_size(void)
> +{
> +	struct device_node *np;
> +	unsigned int memblock_size = 0;
> +
> +	np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
> +	if (np) {
> +		const unsigned int *size;

This needs to be an unsigned long, otherwise I always get zero on my p6.

> +
> +		size = of_get_property(np, "ibm,lmb-size", NULL);
> +		memblock_size = size ? *size : 0;
> +
> +		of_node_put(np);



-- 
Brian King
Linux on Power Virtualization
IBM Linux Technology Center


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