From: Fabian Frederick <fabf@skynet.be>
Date: Wed, 4 Jun 2014 23:07:51 +0000 (-0700)
Subject: mm/memblock.c: use PFN_DOWN
X-Git-Tag: v5.15~17789^2~16^2~171
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f7e2f7e896d8b74e92b687f7333721fd7be0f4b5;p=platform%2Fkernel%2Flinux-starfive.git

mm/memblock.c: use PFN_DOWN

Replace ((x) >> PAGE_SHIFT) with the pfn macro.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/memblock.c b/mm/memblock.c
index 1467364..0aa0d2b 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1402,9 +1402,8 @@ int __init_memblock memblock_search_pfn_nid(unsigned long pfn,
 	if (mid == -1)
 		return -1;
 
-	*start_pfn = type->regions[mid].base >> PAGE_SHIFT;
-	*end_pfn = (type->regions[mid].base + type->regions[mid].size)
-			>> PAGE_SHIFT;
+	*start_pfn = PFN_DOWN(type->regions[mid].base);
+	*end_pfn = PFN_DOWN(type->regions[mid].base + type->regions[mid].size);
 
 	return type->regions[mid].nid;
 }