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authorFabian Frederick <fabf@skynet.be>2014-06-04 16:07:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-04 16:54:02 -0700
commitc8e861a531b0199dc6ef9e402e29c474dfa507ce (patch)
tree28b59f3f8dd64f18e4a04da1d037521fd80ce0fd /mm
parent96f8d8e0965ba3d895f4cf63bbb16fd9fca8998b (diff)
downloadlinux-c8e861a531b0199dc6ef9e402e29c474dfa507ce.tar.bz2
mm/memory_hotplug.c: use PFN_DOWN()
Replace ((x) >> PAGE_SHIFT) with the pfn macro. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-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 */