From: Christoph Lameter <clameter@sgi.com>
Date: Tue, 11 Apr 2006 05:52:57 +0000 (-0700)
Subject: [PATCH] Some page migration fixups
X-Git-Tag: v2.6.17-rc2~264
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e23ca00bf1b1c6c0f04702cb4d29e275ab8dc330;p=linux-2.6

[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>
---

diff --git a/mm/migrate.c b/mm/migrate.c
index 09f6e4aa87..20b95db63d 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;
 	}
 
 	/*