[PATCH] Allow migration of mlocked pages

[linux-2.6] / mm / migrate.c

diff --git a/mm/migrate.c b/mm/migrate.c
index 0576c053598803303beb6c0244ad06dffdef0f69..3f1e0c2c942c90d59c565e92ee119479861f7c47 100644 (file)
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -616,15 +616,13 @@ static int unmap_and_move(new_page_t get_new_page, unsigned long private,
        /*
         * Establish migration ptes or remove ptes
         */
-       if (try_to_unmap(page, 1) != SWAP_FAIL) {
-               if (!page_mapped(page))
-                       rc = move_to_new_page(newpage, page);
-       } else
-               /* A vma has VM_LOCKED set -> permanent failure */
-               rc = -EPERM;
+       try_to_unmap(page, 1);
+       if (!page_mapped(page))
+               rc = move_to_new_page(newpage, page);
 
        if (rc)
                remove_migration_ptes(page, page);
+
 unlock:
        unlock_page(page);