Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6

[cascardo/linux.git] / mm / migrate.c

diff --git a/mm/migrate.c b/mm/migrate.c
index 3f1e0c2..b4979d4 100644 (file)
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -409,6 +409,7 @@ int migrate_page(struct address_space *mapping,
 }
 EXPORT_SYMBOL(migrate_page);
 
+#ifdef CONFIG_BLOCK
 /*
  * Migration function for pages with buffers. This function can only be used
  * if the underlying filesystem guarantees that no other references to "page"
@@ -466,6 +467,7 @@ int buffer_migrate_page(struct address_space *mapping,
        return 0;
 }
 EXPORT_SYMBOL(buffer_migrate_page);
+#endif
 
 /*
  * Writeback a page to clean the dirty state
@@ -525,7 +527,7 @@ static int fallback_migrate_page(struct address_space *mapping,
         * Buffers may be managed in a filesystem specific way.
         * We must have no buffers or drop them.
         */
-       if (page_has_buffers(page) &&
+       if (PagePrivate(page) &&
            !try_to_release_page(page, GFP_KERNEL))
                return -EAGAIN;
 
@@ -741,7 +743,7 @@ static struct page *new_page_node(struct page *p, unsigned long private,
 
        *result = &pm->status;
 
-       return alloc_pages_node(pm->node, GFP_HIGHUSER, 0);
+       return alloc_pages_node(pm->node, GFP_HIGHUSER | GFP_THISNODE, 0);
 }
 
 /*
@@ -950,7 +952,8 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
                                goto out;
 
                        pm[i].node = node;
-               }
+               } else
+                       pm[i].node = 0; /* anything to not match MAX_NUMNODES */
        }
        /* End marker */
        pm[nr_pages].node = MAX_NUMNODES;