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-rw-r--r--mm/memory_hotplug.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 2906873a1502..cbb7ca0ac44b 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1069,7 +1069,7 @@ static pg_data_t __ref *hotadd_new_pgdat(int nid, u64 start)
struct pglist_data *pgdat;
unsigned long zones_size[MAX_NR_ZONES] = {0};
unsigned long zholes_size[MAX_NR_ZONES] = {0};
- unsigned long start_pfn = start >> PAGE_SHIFT;
+ unsigned long start_pfn = PFN_DOWN(start);
pgdat = NODE_DATA(nid);
if (!pgdat) {
@@ -1141,7 +1141,7 @@ out:
static int check_hotplug_memory_range(u64 start, u64 size)
{
- u64 start_pfn = start >> PAGE_SHIFT;
+ u64 start_pfn = PFN_DOWN(start);
u64 nr_pages = size >> PAGE_SHIFT;
/* Memory range must be aligned with section */