[PATCH] missing braces in macros (asm-alpha/mmzone.h)

Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-alpha/mmzone.h

@@ -107,7 +107,7 @@ PLAT_NODE_DATA_LOCALNR(unsigned long p, int n)
 
 #define pfn_to_page(pfn)						\
 ({									\
- 	unsigned long kaddr = (unsigned long)__va(pfn << PAGE_SHIFT);	\
+ 	unsigned long kaddr = (unsigned long)__va((pfn) << PAGE_SHIFT);	\
 	(node_mem_map(kvaddr_to_nid(kaddr)) + local_mapnr(kaddr));	\
 })
 
@@ -119,7 +119,7 @@ PLAT_NODE_DATA_LOCALNR(unsigned long p, int n)
 	((( (page) - page_zone(page)->zone_mem_map )			\
 	+ page_zone(page)->zone_start_pfn) << PAGE_SHIFT)
 
-#define pfn_to_nid(pfn)		pa_to_nid(((u64)pfn << PAGE_SHIFT))
+#define pfn_to_nid(pfn)		pa_to_nid(((u64)(pfn) << PAGE_SHIFT))
 #define pfn_valid(pfn)							\
 	(((pfn) - node_start_pfn(pfn_to_nid(pfn))) <			\
 	 node_spanned_pages(pfn_to_nid(pfn)))					\