linux-kernel - [PATCH 1/1] mm/memblock.c: use PFN

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Message-Id: <20140323212756.6c3777f1b8e4c7fe0e1168a9@skynet.be>
Date:	Sun, 23 Mar 2014 21:27:56 +0100
From:	Fabian Frederick <fabf@...net.be>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	akpm <akpm@...ux-foundation.org>
Subject: [PATCH 1/1] mm/memblock.c: use PFN_PHYS()

Replace ((phys_addr_t)(x) << PAGE_SHIFT) by pfn macro.

Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 mm/memblock.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/memblock.c b/mm/memblock.c
index 39a31e7..955ec04 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1253,7 +1253,7 @@ phys_addr_t __init memblock_mem_size(unsigned long limit_pfn)
 		pages += end_pfn - start_pfn;
 	}
 
-	return (phys_addr_t)pages << PAGE_SHIFT;
+	return PFN_PHYS(pages);
 }
 
 /* lowest address */
@@ -1326,7 +1326,7 @@ int __init_memblock memblock_search_pfn_nid(unsigned long pfn,
 			 unsigned long *start_pfn, unsigned long *end_pfn)
 {
 	struct memblock_type *type = &memblock.memory;
-	int mid = memblock_search(type, (phys_addr_t)pfn << PAGE_SHIFT);
+	int mid = memblock_search(type, PFN_PHYS(pfn));
 
 	if (mid == -1)
 		return -1;
-- 
1.8.4.5

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