Add a simple is_dma helper function to remain consistent with respect to
avoiding the use of ZONE_* outside the headers.
Signed-off-by: Con Kolivas <[email protected]>
include/linux/mmzone.h | 5 +++++
mm/swap_prefetch.c | 2 +-
2 files changed, 6 insertions(+), 1 deletion(-)
---
Index: linux-2.6.14-mm2/include/linux/mmzone.h
===================================================================
--- linux-2.6.14-mm2.orig/include/linux/mmzone.h
+++ linux-2.6.14-mm2/include/linux/mmzone.h
@@ -425,6 +425,11 @@ static inline int is_normal(struct zone
return zone == zone->zone_pgdat->node_zones + ZONE_NORMAL;
}
+static inline int is_dma(struct zone *zone)
+{
+ return zone == zone->zone_pgdat->node_zones + ZONE_DMA;
+}
+
/* These two functions are used to setup the per zone pages min values */
struct ctl_table;
struct file;
Index: linux-2.6.14-mm2/mm/swap_prefetch.c
===================================================================
--- linux-2.6.14-mm2.orig/mm/swap_prefetch.c
+++ linux-2.6.14-mm2/mm/swap_prefetch.c
@@ -180,7 +180,7 @@ static struct page *prefetch_get_page(vo
continue;
/* We don't prefetch into DMA */
- if (zone_idx(z) == ZONE_DMA)
+ if (is_dma(z))
continue;
free = z->free_pages;
-
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