linux-kernel - [PATCH V5 1/3] mm/nobootmem: Fix unused variable

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Date:	Mon, 20 Jan 2014 12:32:37 +0100
From:	Philipp Hachtmann <phacht@...ux.vnet.ibm.com>
To:	akpm@...ux-foundation.org
Cc:	hannes@...xchg.org, liuj97@...il.com, santosh.shilimkar@...com,
	grygorii.strashko@...com, iamjoonsoo.kim@....com,
	robin.m.holt@...il.com, tangchen@...fujitsu.com,
	yinghai@...nel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Philipp Hachtmann <phacht@...ux.vnet.ibm.com>
Subject: [PATCH V5 1/3] mm/nobootmem: Fix unused variable

This fixes an unused variable warning in nobootmem.c

Signed-off-by: Philipp Hachtmann <phacht@...ux.vnet.ibm.com>
---
 mm/nobootmem.c | 28 +++++++++++++++++-----------
 1 file changed, 17 insertions(+), 11 deletions(-)

diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index e2906a5..0215c77 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -116,23 +116,29 @@ static unsigned long __init __free_memory_core(phys_addr_t start,
 static unsigned long __init free_low_memory_core_early(void)
 {
 	unsigned long count = 0;
-	phys_addr_t start, end, size;
+	phys_addr_t start, end;
 	u64 i;
 
+#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
+	phys_addr_t size;
+#endif
+
 	for_each_free_mem_range(i, NUMA_NO_NODE, &start, &end, NULL)
 		count += __free_memory_core(start, end);
 
 #ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
-
-	/* Free memblock.reserved array if it was allocated */
-	size = get_allocated_memblock_reserved_regions_info(&start);
-	if (size)
-		count += __free_memory_core(start, start + size);
-
-	/* Free memblock.memory array if it was allocated */
-	size = get_allocated_memblock_memory_regions_info(&start);
-	if (size)
-		count += __free_memory_core(start, start + size);
+	{
+		phys_addr_t size;
+		/* Free memblock.reserved array if it was allocated */
+		size = get_allocated_memblock_reserved_regions_info(&start);
+		if (size)
+			count += __free_memory_core(start, start + size);
+		
+		/* Free memblock.memory array if it was allocated */
+		size = get_allocated_memblock_memory_regions_info(&start);
+		if (size)
+			count += __free_memory_core(start, start + size);
+	}
 #endif
 
 	return count;
-- 
1.8.4.5

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