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-rw-r--r--arch/powerpc/mm/numa.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 7393bd76d698..5ac08b8ab654 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -19,6 +19,7 @@
#include <linux/notifier.h>
#include <linux/lmb.h>
#include <linux/of.h>
+#include <linux/pfn.h>
#include <asm/sparsemem.h>
#include <asm/prom.h>
#include <asm/system.h>
@@ -882,7 +883,7 @@ static void mark_reserved_regions_for_nid(int nid)
unsigned long physbase = lmb.reserved.region[i].base;
unsigned long size = lmb.reserved.region[i].size;
unsigned long start_pfn = physbase >> PAGE_SHIFT;
- unsigned long end_pfn = ((physbase + size) >> PAGE_SHIFT);
+ unsigned long end_pfn = PFN_UP(physbase + size);
struct node_active_region node_ar;
unsigned long node_end_pfn = node->node_start_pfn +
node->node_spanned_pages;
@@ -908,7 +909,7 @@ static void mark_reserved_regions_for_nid(int nid)
*/
if (end_pfn > node_ar.end_pfn)
reserve_size = (node_ar.end_pfn << PAGE_SHIFT)
- - (start_pfn << PAGE_SHIFT);
+ - physbase;
/*
* Only worry about *this* node, others may not
* yet have valid NODE_DATA().
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