[PATCH 1/1] mm/memblock.c: use PFN_DOWN

[Fabian Frederick]

Replace ((x) >> PAGE_SHIFT) by pfn macro.

Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
 mm/memblock.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/mm/memblock.c b/mm/memblock.c
index e9d6ca9..b459009 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1329,9 +1329,8 @@ 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;
 }
-- 
1.8.4.5

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