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-rw-r--r--include/linux/mmzone.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 0d1a5981bb94..8d6caa414c4c 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -397,6 +397,7 @@ static inline int is_normal_idx(int idx)
397{ 397{
398 return (idx == ZONE_NORMAL); 398 return (idx == ZONE_NORMAL);
399} 399}
400
400/** 401/**
401 * is_highmem - helper function to quickly check if a struct zone is a 402 * is_highmem - helper function to quickly check if a struct zone is a
402 * highmem zone or not. This is an attempt to keep references 403 * highmem zone or not. This is an attempt to keep references
@@ -413,6 +414,16 @@ static inline int is_normal(struct zone *zone)
413 return zone == zone->zone_pgdat->node_zones + ZONE_NORMAL; 414 return zone == zone->zone_pgdat->node_zones + ZONE_NORMAL;
414} 415}
415 416
417static inline int is_dma32(struct zone *zone)
418{
419 return zone == zone->zone_pgdat->node_zones + ZONE_DMA32;
420}
421
422static inline int is_dma(struct zone *zone)
423{
424 return zone == zone->zone_pgdat->node_zones + ZONE_DMA;
425}
426
416/* These two functions are used to setup the per zone pages min values */ 427/* These two functions are used to setup the per zone pages min values */
417struct ctl_table; 428struct ctl_table;
418struct file; 429struct file;