remove sparse warning for mmzone.h

[pandora-kernel.git] / include / linux / mmzone.h

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 9f274a6..451eaa1 100644 (file)
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -637,9 +637,10 @@ static inline int is_normal_idx(enum zone_type idx)
 static inline int is_highmem(struct zone *zone)
 {
 #ifdef CONFIG_HIGHMEM
-       int zone_idx = zone - zone->zone_pgdat->node_zones;
-       return zone_idx == ZONE_HIGHMEM ||
-               (zone_idx == ZONE_MOVABLE && zone_movable_is_highmem());
+       int zone_off = (char *)zone - (char *)zone->zone_pgdat->node_zones;
+       return zone_off == ZONE_HIGHMEM * sizeof(*zone) ||
+              (zone_off == ZONE_MOVABLE * sizeof(*zone) &&
+               zone_movable_is_highmem());
 #else
        return 0;
 #endif