[PATCH] set_page_count complex args

[Avishay Traeger <atraeger@cs.sunysb.edu>]

From: Avishay Traeger <atraeger@cs.sunysb.edu>

Fix set_page_count() macro to handle complex arguments.

Signed-off-by: Avishay Traeger <atraeger@cs.sunysb.edu>
---

--- linux-2.6.15/include/linux/mm.h.orig	2006-01-03 15:47:32.000000000 -0500
+++ linux-2.6.15/include/linux/mm.h	2006-01-03 15:47:51.000000000 -0500
@@ -308,7 +308,7 @@ struct page {
  */
 #define get_page_testone(p)	atomic_inc_and_test(&(p)->_count)
 
-#define set_page_count(p,v) 	atomic_set(&(p)->_count, v - 1)
+#define set_page_count(p,v) 	atomic_set(&(p)->_count, (v) - 1)
 #define __put_page(p)		atomic_dec(&(p)->_count)
 
 extern void FASTCALL(__page_cache_release(struct page *));


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