diff options
Diffstat (limited to 'include/linux/mmzone.h')
| -rw-r--r-- | include/linux/mmzone.h | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 754c25966a0a..2d7e660cdefe 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -319,7 +319,11 @@ enum zone_type { ZONE_HIGHMEM, #endif ZONE_MOVABLE, +#ifdef CONFIG_ZONE_DEVICE + ZONE_DEVICE, +#endif __MAX_NR_ZONES + }; #ifndef __GENERATING_BOUNDS_H @@ -690,14 +694,6 @@ struct zonelist { #endif }; -#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP -struct node_active_region { - unsigned long start_pfn; - unsigned long end_pfn; - int nid; -}; -#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */ - #ifndef CONFIG_DISCONTIGMEM /* The array of struct pages - for discontigmem use pgdat->lmem_map */ extern struct page *mem_map; @@ -794,6 +790,25 @@ static inline bool pgdat_is_empty(pg_data_t *pgdat) return !pgdat->node_start_pfn && !pgdat->node_spanned_pages; } +static inline int zone_id(const struct zone *zone) +{ + struct pglist_data *pgdat = zone->zone_pgdat; + + return zone - pgdat->node_zones; +} + +#ifdef CONFIG_ZONE_DEVICE +static inline bool is_dev_zone(const struct zone *zone) +{ + return zone_id(zone) == ZONE_DEVICE; +} +#else +static inline bool is_dev_zone(const struct zone *zone) +{ + return false; +} +#endif + #include <linux/memory_hotplug.h> extern struct mutex zonelists_mutex; @@ -808,8 +823,7 @@ enum memmap_context { MEMMAP_HOTPLUG, }; extern int init_currently_empty_zone(struct zone *zone, unsigned long start_pfn, - unsigned long size, - enum memmap_context context); + unsigned long size); extern void lruvec_init(struct lruvec *lruvec); |