[PATCH] Permit multiple inclusion of linux/pagevec.h
Make it possible to include linux/pagevec.h multiple times without
incurring errors due to duplicate definitions.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h
index def32c5..8eb7fa7 100644
--- a/include/linux/pagevec.h
+++ b/include/linux/pagevec.h
@@ -5,6 +5,9 @@
* pages. A pagevec is a multipage container which is used for that.
*/
+#ifndef _LINUX_PAGEVEC_H
+#define _LINUX_PAGEVEC_H
+
/* 14 pointers + two long's align the pagevec structure to a power of two */
#define PAGEVEC_SIZE 14
@@ -83,3 +86,5 @@
if (pagevec_count(pvec))
__pagevec_lru_add(pvec);
}
+
+#endif /* _LINUX_PAGEVEC_H */