sh: use PFN_DOWN macro
Replace ((x) >> PAGE_SHIFT) with the predefined PFN_DOWN macro.
Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c
index bce52ba..05713d1 100644
--- a/arch/sh/mm/numa.c
+++ b/arch/sh/mm/numa.c
@@ -33,8 +33,8 @@
/* Don't allow bogus node assignment */
BUG_ON(nid >= MAX_NUMNODES || nid <= 0);
- start_pfn = start >> PAGE_SHIFT;
- end_pfn = end >> PAGE_SHIFT;
+ start_pfn = PFN_DOWN(start);
+ end_pfn = PFN_DOWN(end);
pmb_bolt_mapping((unsigned long)__va(start), start, end - start,
PAGE_KERNEL);