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authorJeff Garzik <jeff@garzik.org>2006-09-30 23:45:41 -0400
committerJeff Garzik <jeff@garzik.org>2006-09-30 23:45:41 -0400
commit1c7da74c4aab595a994beb5fe728ebf0d0b41f59 (patch)
tree64128abdf9550ebb51d8f3ee6732d7350b9c62f2 /mm/migrate.c
parentaebb1153ac54ddbbd3d3f0481a193f4bf0ead53b (diff)
parent1bdfd554be94def718323659173517c5d4a69d25 (diff)
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Merge branch 'master' into upstream
Diffstat (limited to 'mm/migrate.c')
-rw-r--r--mm/migrate.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 20a8c2687b1..ba2453f9483 100644
--- 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;