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SubjectRe: "mm: use early_pfn_to_nid in page_ext_init" broken on some configurations?
On Fri 30-06-17 17:42:24, Michal Hocko wrote:
[...]
> diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
> index 16532fa0bb64..894697c1e6f5 100644
> --- a/include/linux/mmzone.h
> +++ b/include/linux/mmzone.h
> @@ -1055,6 +1055,7 @@ static inline struct zoneref *first_zones_zonelist(struct zonelist *zonelist,
> !defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP)
> static inline unsigned long early_pfn_to_nid(unsigned long pfn)
> {
> + BUILD_BUG_ON(!IS_ENABLED(CONFIG_NUMA));

Err, this should read BUILD_BUG_ON(IS_ENABLED(CONFIG_NUMA)) of course

> return 0;
> }
> #endif

--
Michal Hocko
SUSE Labs

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