mm: use self-explanatory macros rather than "2"

[platform/kernel/linux-rpi.git] / include / linux / mmzone.h

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index e88b2fd..a0b59ae 100644 (file)
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -282,6 +282,8 @@ static inline bool is_active_lru(enum lru_list lru)
        return (lru == LRU_ACTIVE_ANON || lru == LRU_ACTIVE_FILE);
 }
 
+#define ANON_AND_FILE 2
+
 struct zone_reclaim_stat {
        /*
         * The pageout code in vmscan.c keeps track of how many of the
@@ -429,6 +431,8 @@ enum zone_type {
 
 #ifndef __GENERATING_BOUNDS_H
 
+#define ASYNC_AND_SYNC 2
+
 struct zone {
        /* Read-mostly fields */
 
@@ -548,8 +552,8 @@ struct zone {
 #if defined CONFIG_COMPACTION || defined CONFIG_CMA
        /* pfn where compaction free scanner should start */
        unsigned long           compact_cached_free_pfn;
-       /* pfn where async and sync compaction migration scanner should start */
-       unsigned long           compact_cached_migrate_pfn[2];
+       /* pfn where compaction migration scanner should start */
+       unsigned long           compact_cached_migrate_pfn[ASYNC_AND_SYNC];
        unsigned long           compact_init_migrate_pfn;
        unsigned long           compact_init_free_pfn;
 #endif