Commit c8e861a5 authored by Fabian Frederick's avatar Fabian Frederick Committed by Linus Torvalds
Browse files

mm/memory_hotplug.c: use PFN_DOWN() 



Replace ((x) >> PAGE_SHIFT) with the pfn macro.

Signed-off-by: default avatarFabian Frederick <fabf@skynet.be>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 96f8d8e0

mm/memory_hotplug.c

+2 −2
Original line number Diff line number Diff line
@@ -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 @@ int try_online_node(int nid) 


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 */