1 files changed, 6 insertions, 1 deletions

diff --git a/mm/vmscan.c b/mm/vmscan.c
index c62cadce0426..6379ddbffd9b 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -74,6 +74,9 @@ struct scan_control {
 
         int may_writepage;
 
+        /* Can pages be swapped as part of reclaim? */
+        int may_swap;
+
         /* This context's SWAP_CLUSTER_MAX. If freeing memory for
          * suspend, we effectively ignore SWAP_CLUSTER_MAX.
          * In this context, it doesn't matter that we scan the
@@ -414,7 +417,7 @@ static int shrink_list(struct list_head *page_list, struct scan_control *sc)
                  * Anonymous process memory has backing store?
                  * Try to allocate it some swap space here.
                  */
-                if (PageAnon(page) && !PageSwapCache(page)) {
+                if (PageAnon(page) && !PageSwapCache(page) && sc->may_swap) {
                         if (!add_to_swap(page))
                                 goto activate_locked;
                 }
@@ -927,6 +930,7 @@ int try_to_free_pages(struct zone **zones,
 
         sc.gfp_mask = gfp_mask;
         sc.may_writepage = 0;
+        sc.may_swap = 1;
 
         inc_page_state(allocstall);
 
@@ -1027,6 +1031,7 @@ loop_again:
         total_reclaimed = 0;
         sc.gfp_mask = GFP_KERNEL;
         sc.may_writepage = 0;
+        sc.may_swap = 1;
         sc.nr_mapped = read_page_state(nr_mapped);
 
         inc_page_state(pageoutrun);