docs: admin-guide: move sysctl directory to it
[linux-2.6-microblaze.git] / mm / swap.c
index 7ede3ed..ae30039 100644 (file)
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -8,7 +8,7 @@
 /*
  * This file contains the default values for the operation of the
  * Linux VM subsystem. Fine-tuning documentation can be found in
- * Documentation/sysctl/vm.txt.
+ * Documentation/admin-guide/sysctl/vm.rst.
  * Started 18.12.91
  * Swap aging added 23.2.95, Stephen Tweedie.
  * Buffermem limits added 12.3.98, Rik van Riel.
@@ -740,15 +740,20 @@ void release_pages(struct page **pages, int nr)
                if (is_huge_zero_page(page))
                        continue;
 
-               /* Device public page can not be huge page */
-               if (is_device_public_page(page)) {
+               if (is_zone_device_page(page)) {
                        if (locked_pgdat) {
                                spin_unlock_irqrestore(&locked_pgdat->lru_lock,
                                                       flags);
                                locked_pgdat = NULL;
                        }
-                       put_devmap_managed_page(page);
-                       continue;
+                       /*
+                        * ZONE_DEVICE pages that return 'false' from
+                        * put_devmap_managed_page() do not require special
+                        * processing, and instead, expect a call to
+                        * put_page_testzero().
+                        */
+                       if (put_devmap_managed_page(page))
+                               continue;
                }
 
                page = compound_head(page);