Hello,
On Fri, Sep 13, 2013 at 05:30:55PM +0800, Tang Chen wrote:
> +#ifdef CONFIG_MOVABLE_NODE
> + if (movablenode_enable_srat) {
> + /*
> + * When ACPI SRAT is parsed, which is done in initmem_init(),
> + * set memblock back to the default behavior.
> + */
> + memblock_set_current_direction(MEMBLOCK_DIRECTION_DEFAULT);
> + }
> +#endif /* CONFIG_MOVABLE_NODE */
It's kinda weird to have ifdef around the above when all the actual
code would be compiled and linked regardless of the above ifdef.
Wouldn't it make more sense to conditionalize
memblock_direction_bottom_up() so that it's constant false to allow
the compiler to drop unnecessary code?
Thanks.
--
tejun
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