Re: [PATCH 0/3] netfilter : 3 patches to boost ip_tables performance

[Christoph Hellwig <hch@infradead.org>]

On Thu, Sep 22, 2005 at 02:11:26PM +0200, Eric Dumazet wrote:
> +#ifdef CONFIG_NUMA
> +/**
> + * vmalloc_node - allocate virtually contiguous memory
> + *
> + *	@size:		allocation size
> + *	@node:		preferred node
> + *
> + * This vmalloc variant try to allocate memory from a preferred node.
> + */
> +void *vmalloc_node(unsigned long size, int node)
> +{
> +	void *result;
> +	struct mempolicy *oldpol = current->mempolicy;
> +	mm_segment_t oldfs = get_fs();
> +	DECLARE_BITMAP(prefnode, MAX_NUMNODES);
> +
> +	mpol_get(oldpol);
> +	bitmap_zero(prefnode, MAX_NUMNODES);
> +	set_bit(node, prefnode);
> +
> +	set_fs(KERNEL_DS);
> +	sys_set_mempolicy(MPOL_PREFERRED, prefnode, MAX_NUMNODES);
> +	set_fs(oldfs);
> +
> +	result = vmalloc(size);
> +
> +	mpol_free(current->mempolicy);
> +	current->mempolicy = oldpol;
> +	return result;
> +}

No way, sorry.  If you want a vmalloc node do it right.

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