Re: [PATCH 18/21] x86, numa: Synchronize nid info inmemblock.reserve with numa_meminfo.

[Tejun Heo]

On Fri, Jul 19, 2013 at 03:59:31PM +0800, Tang Chen wrote:
> Vasilis Liaskovitis found that before we parse SRAT and fulfill numa_meminfo,
> the nids of all the regions in memblock.reserve[] are MAX_NUMNODES. That is
> because nids have not been mapped at that time.
> 
> When we arrange ZONE_MOVABLE in each node later, we need nid in memblock. So
> after we parse SRAT and fulfill nume_meminfo, synchronize the nid info to
> memblock.reserve[] immediately.

Having a separate sync is rather nasty.  Why not let
memblock_set_node() and alloc functions set nid on the reserved
regions?

Thanks.

-- 
tejun
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