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-rw-r--r--include/linux/mmzone.h12
-rw-r--r--mm/page_alloc.c2
2 files changed, 1 insertions, 13 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 7747ec9de588..8331e76677c0 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 c4cdd3954804..2c74367a8eba 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5926,7 +5926,7 @@ 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;
/*