inactive_anon_is_low: move to vmscan

The inactive_anon_is_low() is called only vmscan.  Then it can move to
vmscan.c

This patch doesn't have any functional change.

Reviewd-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 37ef13d..7fbb972 100644 (file)
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -81,23 +81,4 @@ static inline enum lru_list page_lru(struct page *page)
        return lru;
 }
 
-/**
- * inactive_anon_is_low - check if anonymous pages need to be deactivated
- * @zone: zone to check
- *
- * Returns true if the zone does not have enough inactive anon pages,
- * meaning some active anon pages need to be deactivated.
- */
-static inline int inactive_anon_is_low(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;
-}
 #endif

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 45983af..f75d924 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1291,6 +1291,26 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
        pagevec_release(&pvec);
 }
 
+/**
+ * inactive_anon_is_low - check if anonymous pages need to be deactivated
+ * @zone: zone to check
+ *
+ * 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 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;
+}
+
 static unsigned long shrink_list(enum lru_list lru, unsigned long nr_to_scan,
        struct zone *zone, struct scan_control *sc, int priority)
 {