net: rtnetlink: address is mandatory for rtnl_fdb_get

[linux.git] / mm / vmscan.c

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 62ac0c488624fd8fd3d2306b04951466cca1a0df..24ab1f7394abaafa9e0dccac37597ae65ef77e0f 100644 (file)
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -46,6 +46,7 @@
 #include <linux/delayacct.h>
 #include <linux/sysctl.h>
 #include <linux/oom.h>
+#include <linux/pagevec.h>
 #include <linux/prefetch.h>
 #include <linux/printk.h>
 #include <linux/dax.h>
@@ -4182,17 +4183,16 @@ int page_evictable(struct page *page)
        return ret;
 }
 
-#ifdef CONFIG_SHMEM
 /**
- * check_move_unevictable_pages - check pages for evictability and move to appropriate zone lru list
- * @pages:     array of pages to check
- * @nr_pages:  number of pages to check
+ * check_move_unevictable_pages - check pages for evictability and move to
+ * appropriate zone lru list
+ * @pvec: pagevec with lru pages to check
  *
- * Checks pages for evictability and moves them to the appropriate lru list.
- *
- * This function is only used for SysV IPC SHM_UNLOCK.
+ * Checks pages for evictability, if an evictable page is in the unevictable
+ * lru list, moves it to the appropriate evictable lru list. This function
+ * should be only used for lru pages.
  */
-void check_move_unevictable_pages(struct page **pages, int nr_pages)
+void check_move_unevictable_pages(struct pagevec *pvec)
 {
        struct lruvec *lruvec;
        struct pglist_data *pgdat = NULL;
@@ -4200,8 +4200,8 @@ void check_move_unevictable_pages(struct page **pages, int nr_pages)
        int pgrescued = 0;
        int i;
 
-       for (i = 0; i < nr_pages; i++) {
-               struct page *page = pages[i];
+       for (i = 0; i < pvec->nr; i++) {
+               struct page *page = pvec->pages[i];
                struct pglist_data *pagepgdat = page_pgdat(page);
 
                pgscanned++;
@@ -4233,4 +4233,4 @@ void check_move_unevictable_pages(struct page **pages, int nr_pages)
                spin_unlock_irq(&pgdat->lru_lock);
        }
 }
-#endif /* CONFIG_SHMEM */
+EXPORT_SYMBOL_GPL(check_move_unevictable_pages);