Re: [PATCH 14/21] x86, acpi, numa: Reserve hotpluggable memory at early time.

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On Fri, Jul 19, 2013 at 03:59:27PM +0800, Tang Chen wrote:
> +		/*
> +		 * In such an early time, we don't have nid. We specify pxm
> +		 * instead of MAX_NUMNODES to prevent memblock merging regions
> +		 * on different nodes. And later modify pxm to nid when nid is
> +		 * mapped so that we can arrange ZONE_MOVABLE on different
> +		 * nodes.
> +		 */
> +		memblock_reserve_hotpluggable(base_address, length, pxm);

This is rather hacky.  Why not just introduce MEMBLOCK_NO_MERGE flag?

-- 
tejun
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