Merge branch 'akpm' (patches from Andrew)

[linux-2.6-microblaze.git] / mm / vmscan.c

diff --git a/mm/vmscan.c b/mm/vmscan.c
index e7057af..55721b6 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -194,7 +194,7 @@ static bool sane_reclaim(struct scan_control *sc)
 
 static unsigned long zone_reclaimable_pages(struct zone *zone)
 {
-       int nr;
+       unsigned long nr;
 
        nr = zone_page_state(zone, NR_ACTIVE_FILE) +
             zone_page_state(zone, NR_INACTIVE_FILE);
@@ -1859,17 +1859,14 @@ static void shrink_active_list(unsigned long nr_to_scan,
 }
 
 #ifdef CONFIG_SWAP
-static int inactive_anon_is_low_global(struct zone *zone)
+static bool inactive_anon_is_low_global(struct zone *zone)
 {
        unsigned long active, inactive;
 
        active = zone_page_state(zone, NR_ACTIVE_ANON);
        inactive = zone_page_state(zone, NR_INACTIVE_ANON);
 
-       if (inactive * zone->inactive_ratio < active)
-               return 1;
-
-       return 0;
+       return inactive * zone->inactive_ratio < active;
 }
 
 /**
@@ -1879,14 +1876,14 @@ static int inactive_anon_is_low_global(struct zone *zone)
  * Returns true if the zone does not have enough inactive anon pages,
  * meaning some active anon pages need to be deactivated.
  */
-static int inactive_anon_is_low(struct lruvec *lruvec)
+static bool inactive_anon_is_low(struct lruvec *lruvec)
 {
        /*
         * If we don't have swap space, anonymous page deactivation
         * is pointless.
         */
        if (!total_swap_pages)
-               return 0;
+               return false;
 
        if (!mem_cgroup_disabled())
                return mem_cgroup_inactive_anon_is_low(lruvec);
@@ -1894,9 +1891,9 @@ static int inactive_anon_is_low(struct lruvec *lruvec)
        return inactive_anon_is_low_global(lruvec_zone(lruvec));
 }
 #else
-static inline int inactive_anon_is_low(struct lruvec *lruvec)
+static inline bool inactive_anon_is_low(struct lruvec *lruvec)
 {
-       return 0;
+       return false;
 }
 #endif
 
@@ -1914,7 +1911,7 @@ static inline int inactive_anon_is_low(struct lruvec *lruvec)
  * This uses a different ratio than the anonymous pages, because
  * the page cache uses a use-once replacement algorithm.
  */
-static int inactive_file_is_low(struct lruvec *lruvec)
+static bool inactive_file_is_low(struct lruvec *lruvec)
 {
        unsigned long inactive;
        unsigned long active;
@@ -1925,7 +1922,7 @@ static int inactive_file_is_low(struct lruvec *lruvec)
        return active > inactive;
 }
 
-static int inactive_list_is_low(struct lruvec *lruvec, enum lru_list lru)
+static bool inactive_list_is_low(struct lruvec *lruvec, enum lru_list lru)
 {
        if (is_file_lru(lru))
                return inactive_file_is_low(lruvec);
@@ -3696,10 +3693,10 @@ static inline unsigned long zone_unmapped_file_pages(struct zone *zone)
 }
 
 /* Work out how many page cache pages we can reclaim in this reclaim_mode */
-static long zone_pagecache_reclaimable(struct zone *zone)
+static unsigned long zone_pagecache_reclaimable(struct zone *zone)
 {
-       long nr_pagecache_reclaimable;
-       long delta = 0;
+       unsigned long nr_pagecache_reclaimable;
+       unsigned long delta = 0;
 
        /*
         * If RECLAIM_UNMAP is set, then all file pages are considered