On Mon, 11 Jun 2007 13:35:43 +0900
Paul Mundt <[email protected]> wrote:
> When building with memory hotplug enabled and cpu hotplug disabled, we
> end up with the following section mismatch:
>
> WARNING: mm/built-in.o(.text+0x4e58): Section mismatch: reference to
> .init.text: (between 'free_area_init_node' and '__build_all_zonelists')
>
> This happens as a result of:
>
> -> free_area_init_node()
> -> free_area_init_core()
> -> zone_pcp_init() <-- all __meminit up to this point
> -> zone_batchsize() <-- marked as __cpuinit
>
> This happens because CONFIG_HOTPLUG_CPU=n sets __cpuinit to __init, but
> CONFIG_MEMORY_HOTPLUG=y unsets __meminit.
>
> Changing zone_batchsize() to __init_refok fixes this.
>
It seems this zone_batchsize() is called by cpu-hotplug and memory-hotplug.
So, __init_refok doesn't look good, here.
maybe we can use __devinit here. (Because HOTPLUG_CPU and MEMORY_HOTPLUG are
depend on CONFIG_HOTPLUG.)
-Kame
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