Re: [PATCH 1/2] mm: Move node_reclaim_distance to fix NUMA without SMP

[Mel Gorman]

On Thu, Sep 16, 2021 at 10:42:42AM +0200, Geert Uytterhoeven wrote:
> If CONFIG_NUMA=y, but CONFIG_SMP=n (e.g. sh/migor_defconfig):
> 
>     sh4-linux-gnu-ld: mm/page_alloc.o: in function `get_page_from_freelist':
>     page_alloc.c:(.text+0x2c24): undefined reference to `node_reclaim_distance'
> 
> Fix this by moving the declaration of node_reclaim_distance from an
> SMP-only to a generic file.
> 
> Fixes: a55c7454a8c887b2 ("sched/topology: Improve load balancing on AMD EPYC systems")
> Suggested-by: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Acked-by: Mel Gorman <mgorman@xxxxxxx>

-- 
Mel Gorman
SUSE Labs