On 17.04.19 20:39, Dan Williams wrote:
> Given there are no more usages of is_dev_zone() outside of 'ifdef
> CONFIG_ZONE_DEVICE' protection, kill off the compilation helper.
> 
> Cc: Michal Hocko <[email protected]>
> Cc: David Hildenbrand <[email protected]>
> Cc: Logan Gunthorpe <[email protected]>
> Signed-off-by: Dan Williams <[email protected]>
> ---
>  include/linux/mmzone.h |   12 ------------
>  mm/page_alloc.c        |    2 +-
>  2 files changed, 1 insertion(+), 13 deletions(-)
> 
> diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
> index b13f0cddf75e..3237c5e456df 100644
> --- a/include/linux/mmzone.h
> +++ b/include/linux/mmzone.h
> @@ -855,18 +855,6 @@ static inline int local_memory_node(int node_id) { 
> return node_id; };
>   */
>  #define zone_idx(zone)               ((zone) - 
> (zone)->zone_pgdat->node_zones)
>  
> -#ifdef CONFIG_ZONE_DEVICE
> -static inline bool is_dev_zone(const struct zone *zone)
> -{
> -     return zone_idx(zone) == ZONE_DEVICE;
> -}
> -#else
> -static inline bool is_dev_zone(const struct zone *zone)
> -{
> -     return false;
> -}
> -#endif
> -
>  /*
>   * Returns true if a zone has pages managed by the buddy allocator.
>   * All the reclaim decisions have to use this function rather than
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index c9ad28a78018..fd455bd742d5 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -5844,7 +5844,7 @@ void __ref memmap_init_zone_device(struct zone *zone,
>       unsigned long start = jiffies;
>       int nid = pgdat->node_id;
>  
> -     if (WARN_ON_ONCE(!pgmap || !is_dev_zone(zone)))
> +     if (WARN_ON_ONCE(!pgmap || zone_idx(zone) != ZONE_DEVICE))
>               return;
>  
>       /*
> 

I like seeing that go

Acked-by: David Hildenbrand <[email protected]>

-- 

Thanks,

David / dhildenb
_______________________________________________
Linux-nvdimm mailing list
[email protected]
https://lists.01.org/mailman/listinfo/linux-nvdimm

Reply via email to