Re: [this_cpu_xx V4 12/20] Move early initialization of pagesetsout of zone_wait_table_init()

[Christoph Lameter]

On Tue, 6 Oct 2009, Tejun Heo wrote:

> > Because it has to be called immediately after per cpu areas become
> > available. Otherwise page allocator uses will fail.
>
> But... setup_per_cpu_area() isn't supposed to call page allocator and
> start_kernel() is the only caller of setup_per_cpu_areas().

setup_per_cpu_areas() is not calling the page allocator. However, any
caller after that can call the page allocator.

There are various arch implementations that do their own implementation of
setup_per_cpu_areas() at their own time (Check sparc and ia64 for
example).


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/