[PATCH] Some page migration fixups

- Remove sparse comment

- Remove duplicated include

- Return the correct error condition in migrate_page_remove_references().

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 5 deletions

diff --git a/mm/migrate.c b/mm/migrate.c
index 09f6e4aa87fc..20b95db63da5 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -16,8 +16,7 @@
 #include <linux/module.h>
 #include <linux/swap.h>
 #include <linux/pagemap.h>
-#include <linux/buffer_head.h>  /* for try_to_release_page(),
-                                        buffer_heads_over_limit */
+#include <linux/buffer_head.h>
 #include <linux/mm_inline.h>
 #include <linux/pagevec.h>
 #include <linux/rmap.h>
@@ -28,8 +27,6 @@
 
 #include "internal.h"
 
-#include "internal.h"
-
 /* The maximum number of pages to take off the LRU for migration */
 #define MIGRATE_CHUNK_SIZE 256
 
@@ -234,7 +231,7 @@ int migrate_page_remove_references(struct page *newpage,
         if (!page_mapping(page) || page_count(page) != nr_refs ||
                         *radix_pointer != page) {
                 write_unlock_irq(&mapping->tree_lock);
-                return 1;
+                return -EAGAIN;
         }
 
         /*